四年级四则混合运算200题
小学人教版四年级下册数学四则混合运算 3000题
月日姓名:练习范围：四则运算题数：100分秒成绩:48 ÷ (7 + 9) × 57 = 4 × (48 + 36) ÷ 12 = 810 ÷ 54 + 992 =5 × (45 - 27) ÷ 9 = 522 ÷ 58 = 16 × (26 + 65) ÷ 13 = 73 × 13 + 515 = 90 ÷ (15 - 5) × 9 = 9 × (16 + 4) ÷ 4 = 88 ÷ (8 + 3) × 89 = 126 ÷ (11 + 3) × 85 = 870 ÷ 10 + 181 =10 × (70 + 42) ÷ 14 = (48 + 36) ÷ 12 = 481 - 361 =9 × (10 + 18) ÷ 14 = 448 ÷ 14 + 447 = (52 - 32) ÷ 5 =20 × 63 - 450 = (6 + 12) ÷ 6 = (20 + 16) ÷ 4 =(36 + 36) ÷ 9 = 8 × (20 + 8) ÷ 4 = (18 - 2) ÷ 8 =(7 + 21) × 46 = 168 ÷ 21 = (100 - 80) ÷ 20 =41 × 172 = 17 × (72 + 36) ÷ 18 = 12 × (36 + 36) ÷ 18 = (16 + 16) ÷ 16 = 492 ÷ 82 = 6 ÷ (7 - 5) × 56 = (3 + 4) ÷ 1 = 1 × (85 - 15) ÷ 14 = 108 ÷ (16 + 2) × 57 = 8 × 46 - 116 = 133 ÷ (16 + 3) × 71 = 354 - 235 =870 ÷ 15 = (24 + 4) ÷ 7 = 2 × (14 + 6) ÷ 10 = 801 ÷ 89 + 340 = (39 - 30) ÷ 3 = 924 ÷ 33 =90 ÷ (16 - 6) × 92 = 8 × (42 - 12) ÷ 10 = 79 × 97 - 633 =462 ÷ 7 + 398 = 70 + 189 = (34 - 10) ÷ 12 =738 ÷ 9 + 742 = (12 - 6) ÷ 3 = 9 × (9 + 18) ÷ 9 = 27 ÷ (1 + 2) × 52 = 77 × 49 + 355 = 336 ÷ 21 - 11 =430 + 278 = (9 + 3) ÷ 12 = 144 ÷ 3 - 20 =(6 + 27) ÷ 11 = 760 ÷ 19 - 26 = 15 ÷ (7 - 4) × 32 = 540 ÷ 15 - 27 = 40 ÷ (12 - 7) × 55 = 1 × (38 + 95) ÷ 19 = 16 × (6 + 10) ÷ 8 = (97 - 13) × 54 = (28 + 35) ÷ 7 =(4 + 16) ÷ 10 = (24 - 6) ÷ 6 = 40 × 29 + 201 =980 ÷ 10 - 62 = 99 ÷ 9 + 834 = 308 - 13 =665 ÷ 19 - 20 = 60 × 99 = 232 - 138 =(40 + 40) ÷ 16 = 9 × (24 + 16) ÷ 8 = 616 ÷ 28 =4 × (32 + 48) ÷ 16 = (64 - 52) × 14 = 52 × 48 + 391 =168 ÷ (16 + 8) × 90 = 101 + 369 = 207 ÷ (15 + 8) × 49 = 9 × (85 - 17) ÷ 17 = (36 + 36) × 52 = (16 + 12) ÷ 4 =(58 - 30) × 55 = 7 × (34 + 51) ÷ 17 = 17 × (9 + 12) ÷ 7 = 312 + 31 = (11 + 34) × 56 = 152 - 89 =16 × (54 - 18) ÷ 18 = 76 × 3 + 23 = 112 ÷ (11 + 5) × 30 = 381 - 144 =月日姓名:练习范围：四则运算题数：100 分秒成绩:36 ÷ (1 + 8) × 6 = (3 + 15) ÷ 6 = (75 - 15) ÷ 12 = 77 × 26 + 182 = 18 ÷ (2 + 7) × 23 = 19 × (14 + 2) ÷ 8 = (80 - 67) × 15 = 486 - 426 = 80 ÷ (6 + 4) × 65 = 10 × (60 - 24) ÷ 12 = 15 × (6 + 12) ÷ 9 = 410 ÷ 10 =86 × 56 - 891 = 462 + 324 = (32 - 24) × 11 = 851 ÷ 23 = 602 ÷ 43 = 840 ÷ 40 =(100 - 60) ÷ 20 = 2 × (40 + 30) ÷ 14 = 472 + 169 =6 × (32 + 32) ÷ 8 = 169 + 500 = 84 ÷ 1 - 79 =48 + 134 = 222 ÷ 6 - 20 = 7 ÷ (13 - 6) × 73 = (30 - 15) ÷ 3 = 19 × (27 - 18) ÷ 9 = (4 + 8) ÷ 6 =(64 - 48) ÷ 16 = 18 × (54 + 54) ÷ 18 = 234 ÷ 13 + 232 = 238 - 209 = (60 + 75) ÷ 15 = 27 × 43 - 286 = 609 ÷ 7 - 63 = 629 ÷ 17 = 152 ÷ 2 - 44 = 137 - 77 = (34 + 25) × 17 = 880 ÷ 16 + 334 = 418 ÷ 38 + 178 = (9 + 15) ÷ 3 = (95 - 61) × 56 =(8 + 24) ÷ 8 = (89 - 6) × 78 = (12 + 18) ÷ 15 = 850 ÷ 10 + 297 = 352 - 253 = (42 - 36) × 93 = 858 ÷ 33 = (2 + 4) × 28 = 391 + 430 =80 × 25 + 647 = 373 - 73 = 92 + 404 =43 × 75 + 940 = 8 × (16 - 4) ÷ 4 = 197 + 376 =6 × (5 + 2) ÷7 = 19 × (90 - 75) ÷ 3 = 100 ÷ 50 + 273 = (38 - 1) × 60 = (38 + 19) ÷ 19 = (8 + 46) × 38 = 256 ÷ 64 = 12 × (4 + 18) ÷ 11 = (54 - 18) ÷ 18 = (28 - 11) × 50 = 8 × (20 + 28) ÷ 12 = 353 - 19 =35 ÷ (13 - 6) × 86 = (16 - 4) ÷ 6 = 224 - 11 =198 ÷ (14 + 8) × 71 = 8 × (44 - 11) ÷ 11 = 67 × 23 - 248 = (85 - 75) ÷ 2 = 66 × 29 - 458 = 1 × (21 + 21) ÷ 7 = (15 + 35) ÷ 10 = 10 × (10 + 5) ÷ 3 = (80 - 48) ÷ 16 = (5 + 40) ÷ 9 = (32 - 16) ÷ 16 = 3 × 120 =(5 + 3) ÷ 1 = (6 - 1) ÷ 5 = (42 - 3) ÷ 13 = (72 - 54) ÷ 18 = (39 - 6) ÷ 11 = 14 × (24 + 32) ÷ 8 = 117 ÷ (18 - 5) × 21 = (1 + 39) × 24 = 83 × 23 + 882 = (48 - 20) ÷ 7 = 73 × 59 = 4 × (36 + 24) ÷ 15 = 95 × 14 + 183 =月日姓名:练习范围：四则运算题数：100 分秒成绩:5 + 4 = 127 + 279 = 11 × (10 - 2) ÷ 2 = 153 ÷ (13 + 4) × 29 = 307 - 306 = (40 - 27) × 38 =13 × (48 - 32) ÷ 16 = (49 - 20) × 20 = 15 × (75 + 75) ÷ 15 = 10 × 93 - 924 = 14 × (3 + 9) ÷ 3 = 15 × (5 + 10) ÷ 5 = 115 ÷ (16 + 7) × 79 = 72 ÷ (16 - 8) × 30 = 195 ÷ 65 + 766 =19 × (48 - 36) ÷ 12 = 339 - 262 = 45 × 86 + 160 =(4 + 16) ÷ 4 = 736 ÷ 16 = 8 × (85 + 17) ÷ 17 = (14 - 12) ÷ 1 = 12 × (16 + 16) ÷ 16 = (24 + 12) ÷ 12 =1 × (14 - 4) ÷ 10 = 435 ÷ 15 - 23 = 112 ÷ (12 + 2) × 18 = 504 ÷ 18 - 16 = 195 ÷3 - 38 = 429 - 368 =7 × 64 - 58 = (90 - 54) ÷ 18 = 855 ÷ 45 - 17 =11 × (8 + 4) ÷ 3 = 4 × (56 - 32) ÷ 6 = 2 × (10 - 8) ÷ 2 = 309 + 490 = (4 + 18) ÷ 11 = 15 × 63 - 876 =960 ÷ 16 - 46 = 26 × 37 - 654 = 2 × (4 - 1) ÷ 1 =96 ÷ 1 - 77 = 5 × (56 - 52) ÷ 1 = 222 ÷ 37 + 726 =282 - 225 = (2 + 2) ÷ 2 = (64 - 16) ÷ 16 = 384 ÷ 96 = 285 - 74 = (6 + 20) × 34 =12 ÷ (12 - 6) × 95 = 16 × (24 - 9) ÷ 5 = 475 ÷ 5 - 91 =(77 - 15) × 62 = 18 × 81 - 909 = 350 ÷ 14 =91 ÷ (7 + 6) × 36 = 924 ÷ 66 = 48 ÷ (15 + 9) × 79 = 11 × (5 + 5) ÷ 5 = 4 × (24 - 8) ÷ 8 = (45 + 7) × 66 =6 × 43 - 190 = (85 - 80) × 54 = (18 + 21) ÷ 13 = 444 - 368 = 57 × 18 = (94 - 34) × 64 = 720 ÷ 15 - 13 = 7 × 22 + 99 = 220 ÷ 4 + 212 =4 × (6 + 6) ÷ 2 = (9 + 1) ÷ 10 = (51 - 32) × 57 = (24 - 14) ÷5 = 96 × 96 + 535 = 12 × (52 - 12) ÷ 10 = 12 × (95 - 55) ÷ 8 = 19 ÷ (15 + 4) × 72 = 1 × (57 - 38) ÷ 19 = 7 × (68 - 17) ÷ 17 = 16 × (80 - 16) ÷ 16 = 376 - 237 =(70 - 25) ÷ 9 = 91 × 54 - 376 = 480 ÷ 30 =10 × (35 + 35) ÷ 14 = (100 - 60) ÷ 20 = 42 × 16 =(6 + 18) ÷ 8 = 169 - 140 = 19 × (21 - 7) ÷ 7 = 60 ÷ (18 - 8) × 2 = 17 × (7 + 2) ÷ 9 = (18 + 72) ÷ 18 = (40 + 36) × 84 = 34 ÷ (8 + 9) × 48 = 2 × (48 - 15) ÷ 11 = (9 + 4) ÷ 13 =月日姓名:练习范围：四则运算题数：100 分秒成绩:(4 + 16) ÷ 4 = (36 + 54) ÷ 18 = 46 × 73 - 591 = (18 + 30) ÷ 6 = 151 + 408 = (40 + 35) ÷ 15 =52 × 38 + 585 = (36 - 15) ÷ 7 = 4 × (38 + 76) ÷ 19 = 296 ÷ 74 + 81 = 18 × (44 - 28) ÷ 4 = (22 + 15) × 32 =1 × (10 + 35) ÷ 9 = 32 ÷ (16 - 8) ×3 = 123 × 73 =17 × (85 - 80) ÷ 1 = 14 × (14 + 6) ÷ 10 = (89 - 81) × 96 = (20 + 4) ÷ 4 = (12 + 48) ÷ 12 = (22 + 2) × 14 = 368 + 416 = (4 + 49) × 35 = (75 - 5) ÷ 14 = (10 - 2) ÷ 4 = 46 × 138 = 48 ÷ (9 - 3) × 90 = (15 + 15) ÷ 6 = 9 × (95 - 57) ÷ 19 = (24 + 6) ÷ 6 =(21 + 31) × 58 = (97 - 89) × 32 = (20 + 29) × 53 = (67 - 30) × 92 = 10 × (16 - 1) ÷ 15 = 540 ÷ 36 =28 ÷ (10 - 6) × 16 = (78 - 64) × 66 = (57 - 48) ÷ 3 =722 ÷ 19 - 37 = 990 ÷ 22 + 429 = 487 - 367 =10 ÷ (4 + 1) × 79 = 14 × (36 + 18) ÷ 18 = (10 + 30) ÷ 10 =12 × (20 + 4) ÷ 6 = 396 ÷ 18 - 14 = 3 × (39 - 26) ÷ 13 = 16 × (25 + 15) ÷ 5 = 487 + 306 = 427 ÷ 61 + 887 = (45 - 36) ÷ 3 = 15 × 42 + 40 = (52 - 24) ÷ 7 =(8 + 7) ÷ 15 = 85 ÷ (13 + 4) × 2 = 4 × (17 - 11) ÷ 6 = 34 × 83 + 784 = (95 - 76) ÷ 19 = (41 + 23) × 5 = 620 ÷ 31 + 462 = 5 × (24 + 18) ÷ 14 = 288 - 216 =936 ÷ 26 = (15 + 29) × 58 = (32 - 8) ÷ 12 =4 × (40 - 24) ÷ 4 = (24 - 12) ÷ 12 = 209 - 166 =960 ÷ 12 = 9 × (6 - 4) ÷ 2 = 91 × 48 + 219 = 17 × (35 + 14) ÷ 7 = 17 × (51 - 45) ÷ 2 = 4 ÷ (10 - 6) × 74 = 52 × 139 = (16 + 2) ÷ 9 = 79 + 17 =(54 - 35) × 57 = (42 + 70) ÷ 14 = 5 × (35 - 28) ÷ 7 = 91 ÷ (8 + 5) × 73 = (18 - 9) ÷ 9 = 15 ÷ (10 - 7) × 94 = 146 × 15 = 425 ÷ 17 = 288 ÷ 72 =2 × (90 - 36) ÷ 18 = 26 ÷ (17 - 4) × 36 = (45 - 27) ÷ 9 =3 × (2 + 8) ÷ 2 = (10 - 4) ÷ 3 = (40 + 40) ÷ 16 = (8 - 2) ÷ 2 = (82 - 14) × 75 = (11 + 42) × 59 = 22 × 38 + 248 = 144 ÷ (13 + 5) × 47 = 3 × (20 - 12) ÷ 2 = 11 × 28 + 674 =月日姓名:练习范围：四则运算题数：100 分秒成绩:9 × (2 + 4) ÷ 3 = (9 - 3) ÷ 6 = (18 - 8) ÷ 10 =12 ÷ (6 - 3) × 13 = 16 × (33 - 3) ÷ 10 = (32 + 36) ÷ 17 = 12 × (45 + 20) ÷ 13 = 1 × (30 + 35) ÷ 13 = 42 ÷ (7 + 7) × 45 = 59 × 11 + 879 = (26 + 13) ÷ 13 = 1 × (24 + 6) ÷ 10 = 13 × (68 - 52) ÷ 4 = 78 × 81 - 514 = 15 × (64 - 60) ÷ 1 = 121 × 38 = 126 ÷ (15 - 1) × 18 = 732 ÷ 61 =(86 - 70) × 24 = (24 + 21) ÷ 15 = 506 ÷ 23 =64 ÷ (17 - 9) × 97 = 884 ÷ 17 = 81 ÷ (6 + 3) × 49 = 63 ÷ (14 - 5) × 50 = 183 - 27 = 24 ÷ (7 + 5) × 69 = (12 + 21) ÷ 11 = (13 - 5) ÷ 8 = 336 ÷ 7 - 42 =624 ÷ 16 = (95 - 35) ÷ 12 = 38 × 96 - 136 = (36 - 33) ÷ 1 = 68 × 22 - 612 = 11 × (17 - 8) ÷ 9 = 11 × (21 - 7) ÷ 7 = 20 × 20 = 294 + 89 =675 ÷ 15 = 54 × 51 + 455 = 792 ÷ 12 + 386 = (9 + 36) ÷ 9 = 4 × (65 - 26) ÷ 13 = 115 × 70 =(17 + 37) × 89 = 26 × 64 + 128 = 15 × (36 - 16) ÷ 10 = 12 × (95 - 60) ÷ 7 = 32 ÷ (1 + 7) × 27 = 21 ÷ (5 + 2) × 5 = (4 + 5) ÷ 9 = 31 × 39 + 462 = 95 × 74 - 835 =304 - 30 = 7 × 47 - 13 = 11 × (90 - 5) ÷ 17 = (65 - 50) ÷ 3 = 438 ÷ 6 - 55 = (82 - 53) × 13 = (20 + 30) ÷ 10 = 5 × (6 - 3) ÷ 3 = (22 + 22) ÷ 11 = 265 - 154 = 531 ÷ 59 + 728 = 250 ÷ 10 =744 ÷ 24 - 23 = 10 × 75 - 302 = 11 × (60 - 24) ÷ 12 = 437 - 35 = (95 + 95) ÷ 19 = 117 × 55 =187 + 422 = (14 + 7) × 54 = (74 - 59) × 52 = (36 + 27) ÷ 9 = 16 × (10 - 8) ÷ 2 = 16 × (68 - 12) ÷ 14 = 24 ÷ (15 - 9) × 15 = (18 - 9) ÷ 9 = 404 - 26 =(40 + 28) × 63 = 31 × 60 - 41 = (12 + 3) ÷ 5 =(31 + 8) × 91 = 62 × 8 = 867 ÷ 17 =14 × (28 - 20) ÷ 4 = (18 + 6) ÷ 12 = 167 - 77 =4 ÷ (11 - 9) × 54 = 13 × (36 + 36) ÷ 12 = 8 × 189 =(40 - 16) ÷ 8 = 26 ÷ (16 - 3) × 90 = 480 - 266 =(6 + 29) × 87 = (88 - 85) × 51 = 432 ÷ 27 =5 × 9 + 933 =月日姓名:练习范围：四则运算题数：100 分秒成绩:(20 + 30) ÷ 10 = 5 × (14 + 14) ÷ 14 = 51 × 72 - 196 =450 + 97 = 95 × 10 - 889 = (3 + 2) ÷ 5 =(21 + 15) × 7 = 240 ÷ 15 + 276 = 55 × 32 + 118 =497 ÷ 7 - 18 = 12 × (24 - 8) ÷ 8 = (76 - 15) × 72 =7 × (60 - 20) ÷ 20 = (21 + 45) × 90 = 76 × 49 - 994 =162 × 54 = 5 ÷ (11 - 6) × 37 = 8 × (5 + 10) ÷ 5 = (24 + 7) × 13 = 356 - 171 = 238 ÷ 7 + 33 =(16 + 28) × 85 = 1 × (38 - 12) ÷ 13 = 144 ÷ (18 + 6) × 19 = 891 ÷ 27 - 29 = 900 ÷ 90 - 10 = 57 × 64 - 469 = (12 + 30) ÷ 6 = 86 × 93 + 939 = 4 × (57 - 19) ÷ 19 = 65 × 85 + 878 = (36 + 18) × 29 = 56 × 22 - 936 =120 - 58 = 112 ÷ (8 + 6) × 21 = 497 ÷ 7 + 147 = (85 - 15) × 42 = (12 - 3) ÷ 3 = 84 × 41 - 589 =(6 + 6) ÷ 2 = 46 × 28 - 610 = (52 - 34) × 77 =78 ÷ 1 + 166 = (16 + 6) ÷ 11 = (17 - 13) ÷ 4 =(54 - 36) × 47 = (49 - 35) × 50 = 54 × 63 + 184 = (66 - 32) × 69 = 14 × (16 + 4) ÷ 10 = (9 + 27) ÷ 12 = (34 + 48) × 85 = (26 - 4) ÷ 11 = 5 × (80 - 60) ÷ 4 = 21 ÷ (7 - 4) × 12 = (38 - 18) ÷ 10 = (15 - 10) ÷ 5 =(18 - 2) ÷ 16 = (64 - 12) ÷ 13 = 11 × (8 + 40) ÷ 8 = (17 + 11) × 22 = 8 ÷ (11 - 9) × 93 = 13 × (17 - 3) ÷ 14 = 72 × 10 = 5 × (24 + 4) ÷ 7 = 49 × 14 =431 + 229 = 10 × (50 - 30) ÷ 4 = 144 ÷ (18 - 2) × 44 = (45 - 36) ÷ 9 = 62 × 62 + 618 = 20 × 91 - 833 =3 × (28 - 20) ÷4 = 72 ÷ (7 + 1) × 60 = 69 × 62 - 963 = (18 + 18) ÷ 9 = (60 - 20) ÷ 8 = 224 - 58 =70 ÷ 1 - 60 = 68 × 14 + 398 = 18 × (95 - 85) ÷ 2 = 544 ÷ 17 = (18 + 18) ÷ 18 = 846 ÷ 94 =(57 - 42) × 33 = 84 ÷ (12 + 9) × 57 = 85 × 16 - 30 =442 + 1 = 18 × (9 + 24) ÷ 11 = (57 - 3) ÷ 18 =(13 + 8) × 26 = 15 × (8 + 5) ÷ 13 = (29 + 6) × 3 =(26 + 39) ÷ 13 = 75 × 129 = 850 ÷ 17 =(24 + 15) ÷ 13 = 19 × (4 - 2) ÷ 1 = 504 ÷ 8 - 25 =(80 - 10) ÷ 14 =月日姓名:练习范围：四则运算题数：100 分秒成绩:14 × (75 - 60) ÷ 15 = 92 × 76 = (2 + 14) ÷ 8 =504 ÷ 24 - 17 = 790 ÷ 79 + 509 = 91 ÷ (16 - 3) × 39 = (9 - 6) ÷ 1 = 71 × 16 - 805 = (58 - 52) × 58 = 432 ÷ 8 + 315 = 6 × (9 - 3) ÷ 3 = (19 + 4) × 16 =56 ÷ (15 - 8) × 94 = 11 × (6 + 15) ÷ 3 = (97 - 67) × 93 = (31 + 23) × 70 = 21 × 71 - 282 = 46 × 63 - 979 = (18 - 1) ÷ 17 = 19 × (20 + 8) ÷ 7 = 112 ÷ (18 - 4) × 17 = 765 ÷ 9 - 19 = 15 × (15 + 25) ÷ 8 = 693 ÷ 63 + 319 = 100 ÷ (15 + 5) × 81 = 25 × 24 - 63 = (38 - 18) ÷ 10 =12 × (60 - 15) ÷ 15 = 540 ÷ 10 - 50 = (49 + 40) × 2 =20 ÷ (10 - 6) × 62 = (44 + 27) × 53 = 71 × 60 - 308 = (80 - 25) × 77 = (18 - 3) ÷ 5 = (14 + 14) ÷ 14 = (65 - 13) ÷ 13 = (21 + 37) × 75 = 79 × 61 =(62 - 48) × 13 = (15 + 3) ÷ 3 = (16 + 10) ÷ 13 =19 × (12 + 24) ÷ 12 = (48 - 40) ÷ 2 = 623 ÷ 89 + 166 =264 + 396 = 8 × (18 + 90) ÷ 18 = (32 - 26) ÷ 3 =(28 - 19) × 23 = (8 + 16) ÷ 4 = 1 × (1 + 1) ÷ 2 =93 × 37 + 621 = 122 × 21 = 133 ÷ (13 + 6) × 48 = 9 × (12 + 6) ÷ 3 = (20 - 10) ÷ 10 = 132 × 22 =(8 + 2) ÷ 10 = (74 - 7) × 35 = 6 × (48 - 32) ÷ 16 = 288 ÷ 3 - 32 = 17 × (10 + 14) ÷ 12 = 12 × (95 - 57) ÷ 19 = 16 × (55 + 44) ÷ 11 = 21 ÷ (11 - 8) × 24 = (44 - 20) ÷ 6 =57 × 66 = (78 - 6) × 31 = 4 × (38 - 19) ÷ 19 = (8 + 4) ÷ 3 = (90 - 18) ÷ 18 = 450 - 14 =186 + 404 = 3 × (39 + 13) ÷ 13 = 63 ÷ (4 + 3) × 44 = 5 × (2 + 2) ÷ 4 = 190 + 466 = 92 × 55 =26 ÷ (15 - 2) × 97 = 28 × 22 + 825 = (63 - 61) × 87 =17 × (33 - 22) ÷ 11 = 90 × 12 - 868 = (51 - 15) ÷ 12 =92 × 91 + 67 = 16 ÷ (12 - 8) × 27 = 135 × 68 =10 × (3 + 24) ÷ 9 = (21 + 37) × 24 = (6 + 9) ÷ 15 =(21 + 15) ÷ 12 = 3 × (8 + 6) ÷ 7 = (8 + 20) ÷ 4 =108 ÷ (16 + 2) × 11 = 144 ÷ 2 + 566 = (20 + 10) ÷ 6 =8 × 189 = (8 + 22) × 58 = 320 ÷ 5 + 185 =356 ÷ 89 + 839 =月日姓名:练习范围：四则运算题数：100 分秒成绩: (72 + 18) ÷ 18 = 98 × 78 - 291 = 15 × (18 - 10) ÷ 8 = 9 × 19 - 83 = 27 ÷ (16 - 7) × 8 = 272 ÷ 16 =(50 - 40) ÷ 10 = 35 ÷ (12 - 5) × 45 = (88 - 30) × 98 =67 + 500 = 120 ÷ (18 + 6) × 91 = 20 ÷ (9 - 5) × 46 = 42 ÷ (7 + 7) × 13 = 414 ÷ 9 - 44 = 10 × (7 + 1) ÷ 8 = (16 + 28) ÷ 11 = (96 - 33) × 1 = 4 × (15 + 10) ÷ 5 = (90 - 57) × 34 = 15 × (32 - 16) ÷ 8 = 14 ÷ (5 + 9) × 12 = 7 × (30 - 20) ÷ 10 = 93 × 44 + 925 = 850 ÷ 10 + 66 =25 × 84 + 885 = 158 × 56 = 42 × 52 + 889 =6 × 83 + 360 = 28 ÷ (17 - 3) × 21 = (28 + 35) ÷ 7 =76 × 40 + 56 = 340 ÷ 17 + 609 = 41 × 97 - 982 = (13 + 31) × 25 = (40 - 24) ÷ 8 = 357 ÷ 21 =5 × (60 - 25) ÷ 7 = 243 ÷ 3 - 12 = 99 × 71 - 721 = 540 ÷ 9 - 23 = (9 + 3) ÷ 4 = 24 × 89 + 129 = (20 + 20) ÷ 8 = 630 ÷ 18 = 95 × 41 + 430 =39 × 177 = (17 + 27) × 81 = 1 × (6 + 9) ÷ 15 =8 × (57 - 24) ÷ 11 = 418 - 377 = (3 + 6) ÷ 3 =41 × 39 + 457 = 482 - 242 = 327 - 137 =(56 + 42) ÷ 14 = 12 ÷ (19 - 7) × 78 = 2 × (56 + 42) ÷ 14 = (36 + 31) × 79 = 7 × (12 + 18) ÷ 6 = 365 ÷ 73 =41 × 32 - 449 = 15 × (45 - 3) ÷ 14 = (44 + 5) × 33 = (21 + 20) × 6 = (68 + 85) ÷ 17 = 69 × 50 =(4 + 12) ÷ 4 = 1 × (45 - 27) ÷ 9 = 12 ÷ (11 - 5) × 45 = 65 × 53 + 614 = 2 × (19 - 4) ÷ 15 = 98 × 11 - 687 =18 × 10 = 31 × 87 = 8 × (39 - 26) ÷ 13 = 954 ÷ 53 - 13 = 6 × (27 - 24) ÷ 1 = 64 ÷ (10 - 2) × 91 = (8 + 32) ÷ 8 = (34 - 2) ÷ 16 = 30 × 33 =11 × (90 + 36) ÷ 18 = 56 × 35 + 7 = 18 × (75 - 45) ÷ 15 = (46 + 4) × 58 = (44 + 18) × 31 = 19 × 90 =455 - 419 = (9 + 12) ÷ 7 = 33 ÷ (18 - 7) × 7 = (9 + 14) × 47 = 5 × (20 - 16) ÷ 4 = 8 ÷ (11 - 3) × 32 = (98 - 81) × 44 = (39 + 44) × 83 = (12 - 4) ÷ 8 =147 ÷ (16 + 5) × 63 = 26 × 9 + 325 = 286 ÷ 22 =(39 + 22) × 96 =月日姓名:练习范围：四则运算题数：100 分秒成绩:546 ÷ 26 + 748 = 567 ÷ 27 - 15 = 172 × 47 =(50 - 40) ÷ 10 = 590 ÷ 59 + 537 = 13 × (18 + 21) ÷ 13 = 8 × (20 + 20) ÷ 5 = 10 × (12 - 3) ÷ 3 = 12 × (7 + 3) ÷ 10 = 4 × (2 + 2) ÷ 1 = 2 × (20 + 20) ÷ 5 = (80 - 35) ÷ 9 =35 × 21 - 415 = (60 + 60) ÷ 12 = 616 ÷ 11 - 47 =17 × (45 - 27) ÷ 6 = 7 ÷ (13 - 6) × 95 = 63 × 19 =(15 + 43) × 45 = 19 × (20 - 10) ÷ 10 = 368 ÷ 23 + 748 =3 × (5 - 3) ÷ 2 = 728 ÷ 91 = 260 ÷ 13 =(8 - 4) ÷ 1 = 347 - 153 = (47 + 11) × 36 = (35 + 37) × 29 = 16 × (16 + 16) ÷ 16 = 9 × (65 - 13) ÷ 13 = 6 × (21 - 7) ÷ 7 = (68 - 51) ÷ 17 = 11 × (28 - 21) ÷ 7 = (49 - 10) × 16 = 3 × (75 - 60) ÷ 15 = (90 - 46) × 13 =52 × 131 = 294 ÷ 49 = 18 × (16 - 1) ÷ 15 = 291 - 70 = (28 - 18) ÷ 5 = 7 × (17 + 17) ÷ 17 = 63 ÷ (14 - 5) × 87 = (30 + 39) × 10 = 402 - 69 =5 × (30 - 12) ÷6 = 120 ÷ 15 = 14 × (10 + 12) ÷ 11 = 38 × 83 + 398 = 3 × (25 + 5) ÷ 5 = (52 - 26) ÷ 13 =2 × (8 - 4) ÷ 4 = (60 - 48) ÷ 12 = 42 × 10 + 352 =432 ÷ 9 - 38 = 7 × (30 + 35) ÷ 13 = (7 + 2) ÷ 9 =24 ÷ (1 + 5) × 39 = (1 + 1) ÷ 2 = 4 × (15 + 24) ÷ 13 = 27 × 67 - 43 = 19 × (57 + 76) ÷ 19 = 44 ÷ (15 - 4) × 53 = 21 ÷ (3 + 4) × 56 = (48 + 45) × 69 = 77 + 114 =(9 - 6) ÷ 3 = (38 - 8) ÷ 15 = (54 - 18) ÷ 18 =380 ÷ 5 + 218 = (91 - 58) × 2 = 71 × 31 - 849 = (41 - 18) × 9 = 650 ÷ 10 - 26 = (12 + 14) ÷ 13 =7 × (60 - 5) ÷ 11 = 126 ÷ (9 + 5) × 62 = (20 + 30) × 26 = (33 - 22) ÷ 11 = 50 × 78 + 199 = 264 ÷ 22 + 462 = 949 ÷ 13 - 64 = (18 + 9) ÷ 9 = (48 - 16) ÷ 16 = (72 - 54) ÷ 18 = 715 ÷ 65 = 6 × (10 + 30) ÷ 8 = (7 + 6) ÷ 13 = (36 + 49) × 42 = 9 × (21 - 15) ÷ 2 = 112 ÷ (13 + 3) × 31 = 19 × 110 = (26 - 13) ÷ 13 =16 × 97 + 589 = 57 × 29 + 978 = (3 - 2) ÷ 1 =(42 + 24) × 36 = 50 ÷ (2 + 8) × 40 = 81 × 46 - 123 =552 ÷ 46 + 765 =月日姓名:练习范围：四则运算题数：100 分秒成绩:11 × (55 - 22) ÷ 11 = 13 × (25 + 30) ÷ 11 = 480 + 326 =(97 - 92) × 42 = 385 + 318 = (32 + 13) × 47 =19 × (6 + 24) ÷ 6 = 36 ÷ (10 - 6) × 59 = 304 ÷ 38 =60 ÷ (16 - 4) × 48 = (54 - 3) ÷ 17 = 800 ÷ 16 =18 × (65 + 52) ÷ 13 = 21 × 66 - 555 = 18 × (60 + 12) ÷ 12 = 9 × (27 - 9) ÷ 6 = 53 × 82 = (44 - 11) ÷ 11 =16 × 75 - 887 = 196 ÷ 49 = 11 × (21 + 14) ÷ 7 = 164 ÷ 4 + 628 = 20 × 74 = 84 × 30 + 265 = (10 + 17) × 9 = (92 - 48) × 25 = 306 ÷ 17 =71 × 135 = 60 ÷ (18 - 3) × 52 = (25 + 20) ÷ 5 =(34 - 17) ÷ 17 = (76 - 52) × 83 = 207 ÷ (17 + 6) × 73 = 109 + 348 = (12 + 24) ÷ 12 = 90 ÷ (2 + 8) × 66 = (24 - 19) × 42 = 116 × 74 = 3 × (48 - 16) ÷ 16 = 69 × 74 - 780 = (12 - 9) ÷ 3 = 1 × (95 - 30) ÷ 13 = (35 - 32) × 13 = 321 + 172 = 393 - 306 =4 × 57 + 209 = 168 ÷ 28 + 244 = (53 - 8) × 59 =620 ÷ 10 - 22 = 5 ÷ (6 - 5) × 27 = 34 ÷ (13 + 4) × 28 = 9 × 70 + 19 = (80 - 72) × 75 = 28 × 30 - 26 = (57 - 48) ÷ 3 = 78 × 51 + 96 = 52 ÷ (8 + 5) × 70 = (32 + 28) ÷ 15 = 4 × (26 - 13) ÷ 13 = 61 × 65 - 805 =4 × (36 + 16) ÷ 13 = 23 × 28 - 19 = 341 - 279 =380 ÷ 4 - 16 = 377 - 109 = 119 × 13 =341 - 16 = 30 ÷ (11 - 5) × 42 = 79 - 66 =4 × (52 - 36) ÷ 4 = (18 - 7) ÷ 11 = 35 × 124 =(8 + 13) × 51 = 8 ÷ (3 - 2) × 15 = 29 × 47 =362 - 315 = 825 ÷ 15 - 42 = 252 ÷ 3 - 13 =(6 + 2) ÷ 4 = 12 × 26 - 169 = 78 × 34 + 405 = (3 + 3) ÷ 3 = (20 + 4) ÷ 4 = (16 - 10) ÷ 6 =29 + 364 = 102 ÷ (15 + 2) × 35 = 1 × 57 + 997 = (14 + 28) × 61 = 14 × (9 - 6) ÷ 3 = 15 × (45 + 5) ÷ 10 = 75 + 78 = (65 - 30) ÷ 7 = 440 - 137 =182 × 46 = 68 × 138 = (10 + 6) ÷ 2 =18 × (35 + 35) ÷ 14 = 59 × 99 + 560 = (28 + 36) ÷ 16 =11 × (42 + 56) ÷ 14 =月日姓名:练习范围：四则运算题数：100 分秒成绩:(47 + 42) × 89 = 1 × (80 - 60) ÷ 20 = 12 × (30 + 10) ÷ 10 = 4 × (95 + 19) ÷ 19 = 2 × (15 + 15) ÷ 3 = 369 ÷ 41 =(86 - 60) × 13 = 412 + 495 = 5 × (2 + 10) ÷ 6 = (12 + 17) × 16 = (66 - 7) × 2 = 4 ÷ (8 - 4) × 19 =18 × (18 + 72) ÷ 18 = 15 × (10 + 30) ÷ 10 = 2 + 365 =806 ÷ 26 + 188 = (78 - 44) × 67 = 39 × 46 + 171 =6 × (22 - 4) ÷ 9 = 8 × (14 + 21) ÷7 = 4 × (56 - 28) ÷ 7 = 19 × (9 + 3) ÷ 3 = 51 ÷ (8 + 9) × 92 = (80 + 80) ÷ 16 =6 × 180 = 33 ÷ (6 + 5) × 41 = 8 × (60 - 30) ÷ 15 = 492 ÷ 6 - 54 = 4 + 215 = 192 ÷ (18 + 6) × 96 = 11 × 45 = (12 + 21) ÷ 11 = 9 × (85 - 68) ÷ 17 = 18 × (8 + 8) ÷ 4 = 52 × 69 - 410 = 220 + 15 =(11 - 6) × 15 = 278 + 467 = 13 × (12 - 1) ÷ 11 = (92 - 9) × 71 = 352 + 235 = (65 - 25) ÷ 8 =75 ÷ (16 - 1) × 3 = 14 × 142 = 64 × 25 + 967 =4 ÷ (11 - 9) × 74 = 196 ÷ 2 - 55 = 16 × (24 + 60) ÷ 12 = 405 - 279 = (44 + 55) ÷ 11 = 234 + 303 =(57 - 38) ÷ 19 = (74 - 41) × 91 = 244 - 145 =389 - 193 = 6 × (22 + 55) ÷ 11 = (90 - 75) ÷ 3 =999 ÷ 27 = 65 × 22 = 18 × (20 + 10) ÷ 6 = 3 × (8 + 2) ÷ 5 = 43 × 50 + 735 = 462 ÷ 42 =18 ÷ (6 + 3) × 14 = 50 × 99 + 100 = 47 × 45 + 529 =78 ÷ (18 - 5) × 23 = 340 ÷ 5 - 45 = 156 ÷ 39 + 751 = (25 + 47) × 66 = (4 + 12) ÷ 8 = 15 × (18 - 16) ÷ 1 = 13 × 36 + 438 = (90 - 29) × 18 = 14 × (8 + 2) ÷ 5 = (40 - 35) ÷ 1 = 14 ÷ (14 - 7) × 22 = 53 × 50 - 476 =19 ÷ (18 + 1) × 70 = 217 + 206 = 352 - 120 =(12 + 9) × 45 = (13 + 49) × 88 = 18 × (30 - 3) ÷ 9 = 75 ÷ 15 + 785 = 40 ÷ (1 + 9) × 12 = 56 × 9 + 334 =60 × 32 + 118 = 15 × (75 - 70) ÷ 1 = 800 ÷ 10 =38 × 3 + 809 = (55 - 52) × 90 = (16 + 29) × 38 =8 × (64 + 48) ÷ 16 = 102 ÷ 2 - 38 = (35 + 35) ÷ 14 =8 × (10 - 4) ÷ 2 = 6 × (27 - 21) ÷ 2 = 49 × 8 + 252 =27 × 162 =月日姓名:练习范围：四则运算题数：100 分秒成绩:10 × 5 + 252 = (6 + 15) ÷ 3 = 13 × (8 + 4) ÷ 2 = (7 + 1) ÷ 8 = 672 ÷ 14 + 393 = (19 - 12) ÷ 7 =16 × 45 - 312 = (16 + 49) × 37 = 422 - 264 =18 × (72 - 4) ÷ 17 = (24 - 18) ÷ 2 = (9 + 9) ÷ 18 =891 ÷ 11 - 15 = (75 - 66) × 85 = 494 ÷ 13 - 30 =6 × (13 - 8) ÷ 5 = 196 ÷ 2 - 13 = (26 - 10) ÷ 8 =(25 + 36) × 71 = 9 × (14 - 7) ÷ 7 = 208 ÷ (17 + 9) × 91 = (44 - 4) ÷ 10 = 3 × (12 + 4) ÷ 4 = (6 + 18) ÷ 6 =68 × 77 - 36 = 185 - 132 = 1 × (56 - 42) ÷ 14 = 594 ÷ 11 = 595 ÷ 35 = 356 ÷ 4 - 28 =77 × 94 + 94 = 45 ÷ (14 - 5) × 8 = (85 - 63) × 3 =12 × (8 + 12) ÷ 5 = 11 × (32 + 12) ÷ 11 = (20 - 10) ÷ 10 =900 ÷ 45 = (15 + 16) × 89 = 495 ÷ 5 - 76 =52 × 43 - 444 = 77 ÷ (6 + 5) × 28 = 949 ÷ 13 - 63 =(6 + 4) ÷ 10 = 913 ÷ 83 + 849 = 58 + 128 =48 ÷ (11 + 1) × 71 = 63 ÷ (14 - 7) × 91 = 18 × (24 - 8) ÷ 8 = (100 - 80) ÷ 20 = (60 - 40) ÷ 5 = 6 × (6 + 27) ÷ 11 = 56 ÷ (13 - 5) × 17 = 9 × (36 - 16) ÷ 5 = 138 ÷ (16 + 7) × 39 = 14 × (45 - 15) ÷ 6 = 304 ÷ 16 = 19 × (100 - 80) ÷ 20 = 19 × (15 + 35) ÷ 10 = 21 × 14 + 580 = 84 ÷ (6 + 6) × 79 = (4 + 36) ÷ 10 = 174 ÷ 2 - 82 = 7 × (6 + 9) ÷ 15 =24 × 180 = (8 + 24) ÷ 8 = 7 × (8 + 4) ÷ 3 = (20 + 28) ÷ 12 = 59 × 11 + 276 = 8 × (36 - 9) ÷ 9 =15 × (44 - 8) ÷ 9 = 9 ÷ (4 - 3) × 1 = 120 ÷ (12 + 8) × 66 = 9 × (20 - 16) ÷ 4 = 17 × (68 - 51) ÷ 17 = 3 ÷ (5 - 2) × 4 =5 × (35 - 7) ÷ 7 = 880 ÷ 20 + 925 = 175 - 118 =73 × 46 + 507 = (5 + 20) ÷ 5 = 450 - 227 =20 × 77 + 210 = 19 × 31 - 278 = 55 × 70 - 883 =(46 - 18) × 51 = 20 × 81 + 512 = 13 × (3 + 5) ÷ 8 =9 × (72 - 18) ÷ 18 = 936 ÷ 26 + 996 = (8 + 4) ÷ 12 =(57 + 57) ÷ 19 = (25 - 5) ÷ 5 = 450 + 267 =45 ÷ (12 - 3) × 69 = (40 - 10) ÷ 10 = (60 + 12) ÷ 12 = (17 + 34) ÷ 17 = (75 - 67) × 38 = 912 ÷ 12 - 51 =52 ÷ (6 + 7) × 69 =。
四年级四则混合运算训练题100道
四年级四则混合运算训练题100道一、整数四则混合运算1、 25 ＋ 75 40 ÷ 82、 12 × 3 ＋ 18 ÷ 63、 56 ÷ 7 ＋ 45 × 24、 30 18 ＋ 24 ÷ 65、 28 ＋ 16 ÷ 2 × 56、 45 ÷ 5 6 × 27、 72 ÷ 8 ＋ 36 ÷ 68、 5 × 8 24 ÷ 49、 18 ＋ 27 ÷ 9 × 310、 60 48 ÷ 6 ＋ 1211、 25 × 2 18 ÷ 312、 36 ÷ 4 ＋ 28 × 213、 70 ÷ 7 8 × 214、 4 × 9 ＋ 16 ÷ 215、 24 12 ÷ 3 ＋ 1816、 32 ＋ 8 × 5 ÷ 217、 54 ÷ 6 ＋ 42 ÷ 718、 6 × 7 30 ÷ 519、 15 ＋ 36 ÷ 6 × 420、 80 64 ÷ 8 ＋ 8二、含有小括号的四则混合运算21、（25 ＋ 15) ÷ 522、（48 18) ÷ 623、（36 ÷ 6) ＋ 1824、（56 ÷ 8) 725、（12 × 3) ＋ 1826、（45 27) ÷ 627、（72 ÷ 9) × 228、（5 × 8) 2029、（18 ＋ 27) ÷ 930、（60 48) ÷ 631、（25 × 2) 1232、（36 ＋ 12) ÷ 633、（70 56) ÷ 734、（4 × 9) ÷ 635、（24 18) ÷ 336、（32 ＋ 8) ÷ 537、（54 36) ÷ 638、（6 × 7) 1439、（15 ＋ 9) ÷ 640、（80 56) ÷ 8三、既有小括号又有中括号的四则混合运算41、（25 ＋ 15) ÷ 5 × 242、（48 18) ÷ 6 ＋ 1243、 36 ÷（6 ＋ 3)44、 72 ÷（8 2)45、（12 × 3) ＋ 18 ÷ 646、（45 27) ÷ 6 × 348、（5 × 8) 20 ÷ 449、（18 ＋ 27) ÷ 9 × 250、（60 48) ÷ 6 ＋ 851、（25 × 2) 12 ÷ 252、（36 ＋ 12) ÷ 6 × 453、 48 ÷（6 2) × 254、 64 ÷（8 ＋ 8) ÷ 255、（12 ＋ 18) × 2 ÷ 656、（45 15) ÷ 5 × 457、 70 ÷（7 ＋ 3) × 258、（5 × 6) ＋ 15 ÷ 559、（16 ＋ 24) ÷ 8 × 360、（80 40) ÷ 5 ＋ 10四、小数四则混合运算61、 25 ＋ 75 12 ÷ 0362、 36 × 2 ＋ 48 ÷ 1264、 63 45 ＋ 18 ÷ 0665、 28 ＋ 16 ÷ 04 × 566、 42 ÷ 06 09 × 267、 78 ÷ 03 ＋ 36 ÷ 0668、 55 × 2 15 ÷ 0569、 18 ＋ 27 ÷ 09 × 370、 80 64 ÷ 08 ＋ 1271、 25 × 12 18 ÷ 0372、 32 ÷ 04 ＋ 28 × 273、 65 ÷ 05 08 × 274、 48 × 15 ＋ 12 ÷ 0675、 22 ＋ 18 ÷ 03 × 476、 36 ÷ 09 06 × 277、 72 ÷ 06 ＋ 24 ÷ 0478、 58 × 15 12 ÷ 0479、 15 ＋ 21 ÷ 07 × 3五、整数和小数四则混合运算81、 25 ＋ 35 24 ÷ 0882、 12 × 25 ＋ 18 ÷ 0683、 56 ÷ 75 ＋ 45 × 1284、 30 185 ＋ 24 ÷ 0685、 28 ＋ 16 × 25 ÷ 0586、 45 ÷ 55 6 × 0287、 72 ÷ 85 ＋ 36 ÷ 0688、 5 × 85 24 ÷ 0489、 18 ＋ 27 ÷ 09 × 1590、 60 485 ÷ 5 ＋ 1291、 25 × 15 18 ÷ 0392、 36 ÷ 45 ＋ 28 × 1293、 70 ÷ 75 08 × 1594、 4 × 95 ＋ 16 ÷ 0295、 24 125 ÷ 05 ＋ 1896、 32 ＋ 85 × 2 ÷ 0597、 54 ÷ 65 ＋ 42 ÷ 0798、 6 × 75 36 ÷ 0699、 15 ＋ 36 ÷ 06 × 25100、 80 645 ÷ 5 ＋ 18以上 100 道四则混合运算训练题涵盖了整数、小数以及不同括号组合的运算，希望能够帮助四年级的同学们巩固四则混合运算的知识，提高计算能力和解题技巧。
四年级数学下册混合运算练习题大全(全册各类齐全25套)
一、四则运算(含括号)800÷(16+24)(57-35)×35(167-136)×9 135+15×13(194-118)÷4456÷(13+11)二、四则运算(无括号)10×2+8237×2+1752×43+112 52+276÷2323×7+92255÷15+62三、加法的简便运算289+236+111133+19+381200+14+386 214+291+86247+315+25377+146+223四、减法的简便运算736-357-143929-397-203579-67-233381-112-188812-113-387705-285-315五、乘法交换律和结合律8×73×12547×5×202×84×556×50×25×72×220×13×5六、乘法分配律77×6+77×1945×92+92×19569×28+69×72 67×40+67×160689×67-67×58992×55+55×108七、带括号的混合运算(161-129)÷4(145-123)÷2(192-112)÷5一、四则运算(含括号)850÷34-22140-414÷23(63+13)÷4 897÷39-12181+84÷7(54+16)÷35二、四则运算(无括号)147+396÷36188-23×4183-496÷31 105÷7+145199-6×24300÷25+243三、加法的简便运算274+385+1572+371+29370+143+30 159+209+19176+290+22459+93+141四、减法的简便运算391-108-92473-194-106843-365-235864-261-239496-226-74658-299-201五、乘法交换律和结合律4×99×2538×25×460×50×244×8×12547×25×466×5×20六、乘法分配律13×186+13×1475×101663×59-59×463 665×63-63×56537×97+97×63453×60-353×60七、带括号的混合运算(56+43)÷9(38+10)÷6(89-19)÷5一、四则运算(含括号)26×(10+10)4×18-10138+450÷25 342÷(195-157)434÷(17+14)150÷(119-94)二、四则运算(无括号)38×5+243315÷15-13191-5×2255÷15+97110÷10+3830×6-90三、加法的简便运算131+90+11099+129+101370+81+30 249+281+19386+151+114173+270+127四、减法的简便运算634-51-249443-16-384582-200-300551-271-229661-341-59710-346-154五、乘法交换律和结合律50×32×298×20×525×63×488×125×84×25×2547×20×5六、乘法分配律89×366-89×16689×99140×84+84×60 366×87-266×8788×170+88×3029×59+29×41七、带括号的混合运算17×10+156120÷6-10(84-69)×9一、四则运算(含括号)532÷(173-135)(10+10)×4118×11-105 180-2×2274+3×4120÷(12+12)二、四则运算(无括号)437÷19-2122×9+245775÷31-11 37+9×3714÷34+2381000÷40+137三、加法的简便运算391+321+27981+266+34250+193+250 219+26+81232+355+368121+306+294四、减法的简便运算367-32-268363-222-78522-28-372483-265-35682-272-228540-333-167五、乘法交换律和结合律5×24×2034×20×555×2×5018×20×577×50×22×85×50六、乘法分配律47×24+47×7632×19839×73+61×73 15×9826×52+148×2639×101七、带括号的混合运算(5+14)×5(4+7)×9180÷9-10一、四则运算(含括号)4×47-5119×9+122195-276÷23 10+126÷9522÷(148-119)450÷(88-63)二、四则运算(无括号)60+208÷13148+4×48×17+132 36+464÷29420÷21+933×41+211三、加法的简便运算269+197+103223+62+77387+323+13 10+261+190101+122+399247+29+353四、减法的简便运算800-362-138658-292-108612-319-281617-372-228525-131-269688-263-237五、乘法交换律和结合律125×44×893×5×253×25×462×5×2022×25×48×21×125六、乘法分配律93×20183×239-83×3913×80+120×13 43×10244×873-773×4482×201七、带括号的混合运算16×4-5360÷6+192(227-182)÷9一、四则运算(含括号)(128-37)÷7(122-97)×3936+7×27 368÷16+91798÷(85-47)147-150÷10二、四则运算(无括号)4×43-33304÷19+17811+160÷16 120-11×995+440÷202×43+31三、加法的简便运算370+146+230174+106+194294+201+99 139+58+24285+168+32140+36+160四、减法的简便运算618-264-236358-259-41522-212-88514-271-129493-324-76701-350-150五、乘法交换律和结合律74×25×44×81×255×19×2054×5×28×60×12550×61×2六、乘法分配律94×30+170×9438×101741×39-39×641 56×824-624×5637×19857×99七、带括号的混合运算(219-171)÷3(80-36)÷4(69-45)÷4一、四则运算(含括号)464÷(18+11)25×8-16374÷(12+10) 5×(160-135)350÷25+22476÷28+56二、四则运算(无括号)13×13-3383-340÷17660÷30+142 12×11-123×7+114740÷37+198三、加法的简便运算96+264+236109+48+39113+190+110 300+97+100341+19+181145+359+355四、减法的简便运算502-198-202792-322-178631-158-342486-264-136579-13-187278-50-150五、乘法交换律和结合律50×22×25×27×264×50×28×81×12525×33×427×8×125六、乘法分配律475×71-71×27526×69+69×17450×47+53×50 103×91+91×9719×541-19×341650×20-20×450七、带括号的混合运算(5+8)×7(137-121)÷836÷9+3一、四则运算(含括号)39+684÷38552÷23-18(67-41)×3 (189-21)÷73×25-4819×(12+19)二、四则运算(无括号)300÷15-1016×8-37191+10×19 874÷38+125127+5×47188-3×22三、加法的简便运算241+211+15947+36+26413+257+343 89+46+111254+74+346129+165+171四、减法的简便运算677-170-330685-314-186638-111-189623-229-271430-182-118733-154-346五、乘法交换律和结合律50×90×239×8×12572×8×125 13×20×5125×93×854×20×5六、乘法分配律74×890-690×7464×234-34×6482×97+3×82 83×723-523×8379×20193×80+7×80七、带括号的混合运算17×3+19(7+20)÷9(11+4)×7一、四则运算(含括号)20+40×2484÷22-13(132+72)÷34 191-195÷13178+29×85×6+52二、四则运算(无括号)166+8×2916×11+235139-2×13 103+3×1122×7-32192-3×5三、加法的简便运算270+214+86302+103+97307+18+182 334+258+266315+57+243377+194+306四、减法的简便运算717-250-150525-197-203608-56-244313-134-166491-103-197392-134-166五、乘法交换律和结合律2×87×520×87×545×2×5050×15×250×27×263×25×4六、乘法分配律72×21+28×21453×85-85×35377×160+77×40 34×35+166×3544×251-44×151634×76-434×76七、带括号的混合运算(189-179)×3(150-139)×3(2+34)÷9一、四则运算(含括号)38+29×5399÷21+14638×(15+10) 11×(15+13)7×(56-15)442÷(21+13)二、四则运算(无括号)170+31×6100÷4-16146+6×19 166+12×8234÷13+211173-675÷27三、加法的简便运算315+362+185268+385+232137+57+363 387+99+11354+397+103358+183+142四、减法的简便运算685-140-160826-302-198556-353-47846-333-167519-56-344513-194-306五、乘法交换律和结合律18×2×5025×96×447×50×217×2×502×98×5027×5×20六、乘法分配律56×456-256×5680×160+40×8064×97+64×3 160×39+40×3961×4+96×6113×868-13×768七、带括号的混合运算(2+6)×817×10-3514×4-29一、四则运算(含括号)299÷23+68168+720÷40425÷(167-142) 7×(15+31)(10+15)×11100÷5+83二、四则运算(无括号)19×10-2329×3-34137+552÷23 196-2×690+840÷35189-2×19三、加法的简便运算128+305+195196+399+304290+204+110 110+168+390217+389+83195+73+227四、减法的简便运算443-88-312445-268-32579-330-170529-226-274538-269-31437-327-73五、乘法交换律和结合律71×4×2550×47×250×43×247×5×25×81×2053×125×8六、乘法分配律137×29-37×2913×29+29×8764×765-64×665 5×50+95×5039×32+39×68576×58-58×376七、带括号的混合运算16×10-20(14+1)×632÷8+88一、四则运算(含括号)775÷(20+11)194-32÷2154-312÷26 (119+223)÷186×10+100(65+47)÷8二、四则运算(无括号)40+17×8144-780÷39196-336÷16 7×14+101148-13×7184+14×6三、加法的简便运算272+231+128113+45+87120+17+183 260+267+240229+238+62111+356+244四、减法的简便运算774-334-266746-140-360585-97-103648-261-239836-190-310609-97-303五、乘法交换律和结合律2×96×5025×51×48×32×1255×13×2020×20×514×5×20六、乘法分配律73×198231×13-13×3113×19974×396-74×19641×20269×357-257×69七、带括号的混合运算160÷8-10(11+5)×2140÷7-10一、四则运算(含括号)2×19+20713×(11+11)56+648÷27 156+630÷30740÷(78-41)191-4×3二、四则运算(无括号)46+2×20375÷15-177×4+216 107-720÷3614×11-34616÷28-19三、加法的简便运算56+168+232324+62+138169+387+131 85+272+228354+245+255346+248+152四、减法的简便运算424-101-99422-89-211717-380-20475-30-370486-61-139555-112-388五、乘法交换律和结合律39×2×5099×20×542×2×520×20×55×67×220×48×5六、乘法分配律68×199710×80-610×8043×874-43×774 93×666-93×46657×279-57×17938×5+95×38七、带括号的混合运算(5+10)×918×10-1019×9+189一、四则运算(含括号)132-5×3(191-125)÷319×(15+13) 713÷31-196×20+17146-5×3二、四则运算(无括号)113+437÷192×43+48644÷28-22 507÷39+2235×31+2533×3-17三、加法的简便运算189+378+12291+307+309168+169+332 302+122+178387+40+113366+98+102四、减法的简便运算590-184-216600-163-137760-359-41751-297-203726-240-160464-231-69五、乘法交换律和结合律28×2×5041×5×294×20×55×65×2082×8×1255×68×20六、乘法分配律94×10168×35+68×165246×96-96×146 21×33+79×33884×11-11×684238×79-138×79七、带括号的混合运算19×10-45(144-129)×615×9-57一、四则运算(含括号)462÷(151-118)109+441÷21(11+24)×18 96÷4-21191+14×14194+240÷12二、四则运算(无括号)21×9-273×58-568×23+149 3×21+153240÷10-13306÷17+121三、加法的简便运算72+133+67283+56+244165+145+155 356+33+16728+318+172299+298+302四、减法的简便运算543-114-286561-337-63569-325-175803-209-391710-250-350899-341-159五、乘法交换律和结合律88×50×25×73×28×82×12574×2×5050×77×22×14×50六、乘法分配律132×35+35×6897×10113×496-13×396 42×18+58×1868×68+32×6822×556-22×456七、带括号的混合运算3×11+2920×9-27(146-135)×4一、四则运算(含括号)(94-72)×13390÷(166-136)115+364÷26 14×11+12414×(47-23)(12+13)×35二、四则运算(无括号)442÷34+102121-15×515+144÷9 286÷13+95192-264÷22432÷18-10三、加法的简便运算396+166+10436+174+326113+233+167 264+294+336390+267+110145+94+255四、减法的简便运算584-99-101828-197-303607-120-280329-227-73678-225-175738-236-364五、乘法交换律和结合律99×8×12522×8×12545×5×225×58×491×5×25×62×20六、乘法分配律78×9844×715-44×61535×285-35×85 165×97-97×652×83+98×8341×407-307×41七、带括号的混合运算10×5+19560÷3-10(16+3)×5一、四则运算(含括号)12×16+227(178-150)×8130+14×9 81÷(48-21)220÷20+19831×4+184二、四则运算(无括号)10×19-12174-19×4193-2×17 97+34×2131-494÷3874+168÷8三、加法的简便运算13+399+387384+279+16205+94+195 331+108+292392+370+130218+314+82四、减法的简便运算600-22-178607-169-231667-172-128951-363-237665-57-243579-207-93五、乘法交换律和结合律2×27×58×89×1255×98×225×55×44×79×2525×78×4六、乘法分配律478×88-378×88161×72+72×39449×70-70×249 23×222-22×2326×18+82×2656×365-56×165七、带括号的混合运算(143-130)×2180÷9+8217×10+186一、四则运算(含括号)4×(28+13)819÷39-20528÷24-12 107+800÷3218+7×734×(100-72)二、四则运算(无括号)180-644÷28448÷28+66120-816÷34 97+29×523+23×10228÷12+189三、加法的简便运算381+258+19306+153+194164+145+155 281+339+6161+193+307370+155+45四、减法的简便运算788-338-62897-237-263883-305-295808-318-182556-31-369793-314-286五、乘法交换律和结合律2×98×54×49×2547×2×563×25×420×62×547×2×50六、乘法分配律20×68+20×3227×98+27×2422×22-22×322 42×169+31×4216×294-94×16858×19-19×758七、带括号的混合运算5×3+19254÷3+5814×6+199一、四则运算(含括号)11×(39+10)460÷(167-147)703÷(17+20) 660÷30-17528÷(14+19)(42+200)÷11二、四则运算(无括号)504÷24-20153-39×311×6+132 166-400÷256×29+2458×23+239三、加法的简便运算151+176+249231+233+269296+390+110 321+369+7916+142+184120+150+150四、减法的简便运算618-301-99649-315-85450-38-162304-75-125591-61-139810-347-153五、乘法交换律和结合律2×64×502×51×504×58×2520×77×520×82×520×95×5六、乘法分配律878×60-60×67849×96+49×104836×48-48×736 25×321-221×2587×40+60×8717×55+145×17七、带括号的混合运算(199-183)×8(140-107)÷315×10+185一、四则运算(含括号)11×(22+24)41+85÷53×4+5863+336÷28(196-164)×20(133-25)÷18二、四则运算(无括号)40÷2-1253-220÷1025×8-66 240÷10-182×7+21164-3×43三、加法的简便运算143+52+14825+75+275229+263+37 77+221+279120+269+380173+183+217四、减法的简便运算455-63-337669-323-177520-107-93750-342-258622-295-305278-39-161五、乘法交换律和结合律31×5×2050×19×25×52×25×87×225×93×45×80×20六、乘法分配律87×64+64×11396×54+104×5473×10139×33+33×6118×20182×636-82×436七、带括号的混合运算(120-35)÷5(206-54)÷8(6+8)×7一、四则运算(含括号)200÷10-17135+6×79×(55-24) 240÷(151-127)312÷(13+11)(176-86)÷6二、四则运算(无括号)7×19+4920+2×37200-238÷17 814÷37+240616÷28+159105-420÷21三、加法的简便运算27+237+63378+64+2244+50+356 91+346+209319+390+181360+388+112四、减法的简便运算613-257-243578-280-20895-279-221641-128-172740-178-322258-186-14五、乘法交换律和结合律75×5×2023×50×258×25×48×65×12538×50×233×50×2六、乘法分配律55×99385×12-285×1225×1024×67+196×67841×75-75×64129×61+61×71七、带括号的混合运算80÷4-1018×10-5720×8-18一、四则运算(含括号)190÷10+23920÷2+42819÷39-17 21+192÷12(13+26)×870+640÷32二、四则运算(无括号)96+264÷11207÷9-1068+375÷15 197-11×6154+3×49286÷13+37三、加法的简便运算79+112+8882+19+381319+198+181 107+182+118322+24+376360+286+40四、减法的简便运算523-138-62548-138-362649-302-98636-15-285420-208-92604-353-147五、乘法交换律和结合律20×61×520×2×5035×8×12525×77×425×16×44×17×25六、乘法分配律51×98+51×10218×201760×38-660×38 92×142+58×9280×31+31×12089×767-667×89七、带括号的混合运算120÷6-10(4+9)×10(150-50)÷5一、四则运算(含括号)8×(16+25)(198+234)÷36210÷10-16 740÷(17+20)120÷(10+14)23×(150-109)二、四则运算(无括号)64+704÷32176-19×321×7-5757+455÷352×24+2157×20-14三、加法的简便运算218+54+8223+183+117290+210+390 285+294+115268+368+32143+195+257四、减法的简便运算326-177-123483-154-46714-154-346729-211-289725-279-321853-319-281五、乘法交换律和结合律5×21×299×2×548×5×2052×5×202×19×583×8×125六、乘法分配律124×63+76×6373×38+27×38452×49-49×352 35×22+165×2265×52+65×14861×101七、带括号的混合运算(34+46)÷868÷4+1363×6+123一、四则运算(含括号)744÷31-21399÷21+231(44-14)×5 (48+54)÷34(63+153)÷911×(11+10)二、四则运算(无括号)2×37+183580÷29+184185-5×17 132+27×726×6-58155+21×11三、加法的简便运算119+320+18058+96+204324+227+73 106+313+194189+133+11154+125+146四、减法的简便运算595-55-345370-199-101754-292-108635-23-377532-85-115331-267-33五、乘法交换律和结合律51×5×24×71×2567×4×258×80×125125×31×852×2×50六、乘法分配律51×718-51×61836×5+36×19570×88+88×30 72×19830×10222×199七、带括号的混合运算(7+10)×8(145-67)÷6(8+2)×8一、四则运算(含括号)(163-37)÷1414×14+2265×30-128 70-144÷12(111-86)×3216×8-13二、四则运算(无括号)144÷8+1246×2+12183+208÷16 98+40×5195-7×13166-336÷16三、加法的简便运算202+155+45324+344+176104+118+382 34+388+166215+76+285364+57+36四、减法的简便运算498-265-135364-62-138791-376-24637-301-99310-13-187580-134-166五、乘法交换律和结合律25×65×44×80×2521×2×508×93×12550×94×264×25×4六、乘法分配律14×52+86×52771×44-671×4438×65+38×35 58×236-36×58592×22-492×2238×562-38×462七、带括号的混合运算(93-80)×3119÷7+182(157-146)×2。
四年级数学四则混合运算试题答案及解析
四年级数学四则混合运算试题答案及解析1. 5头牛每日产奶125千克，养多少头牛每日可产奶750千克？【答案】30【解析】解：750÷（125÷5）=750÷25=30（头）．答：养30头牛每日可产奶750千克．2.小马虎在计算除法时，把除数12错写成21，结果商是17，余数是3，正确的商应该是．【答案】30．【解析】先求出被除数为21×17+3，然后再除以12，即可得解．解：21×17+3，=357+3，=360，360÷12=30；答：正确的商应该是30．故答案为：30．【点评】此题考查了除法各部分间的关系，将错就错先算出被除数是解决本题的关键．3.计算92÷4×2这道题的运算顺序，芳芳说：“四则混合运算的顺序是先乘除后加减，所以这道题应先4×2的积，再算92÷积的商”．（判断对错）【解析】×92÷4×2是同级运算，按照从左到右的顺序计算计算，由此判断．解：92÷4×2=23×2=46是先算除法，再算乘法，原题说法错误．故答案为：×．【点评】一个算式里是同一级运算，要按从左往右依次进行计算．4.如果算式里只有加法和减法，或者只有乘法和除法应（）A．先算减法B．先算乘法C．从左到右依次计算【答案】C【解析】依据四则运算计算方法：先算第二级运算，再算第一级运算，如果只含有同一级运算，按照从左到右顺序计算即可解答．解：加法和减法统称第一级运算，乘法和除法统称第二级运算，算式里只有加法和减法，或者只有乘法和除法，应按从左到右的顺序计算；故选：C．【点评】依据四则运算计算方法正确解决问题，是本题考查知识点．5.一个数乘3，加上2，结果是74．求这个数的算式是（）A．（74﹣2）÷3 B．74﹣2×3 C．74+2×3【答案】A【解析】运用逆推的方法，先用最后的结果74减去2，求出差，再用差除以3即可．解：（74﹣2）÷3=72÷3=24答：这个数是24．故选：A．【点评】解决本题采用逆推法，根据乘除法以及加减法的互逆关系，从结果除法，向前推算．6. 25×4÷25×4=1 ．（判断对错）【答案】×【解析】25×4÷25×4按照从左到右的运算顺序求出运算结果与1比较．解：2×4÷25×4，=100÷25×4，=4×4，=16；16≠1；故答案为；×．【点评】本题的错因是先算了除号左右的乘法，又算了除法，没有按照正确的运算顺序计算，这是常出现的错误．7.果园里种了34棵桃树，种的梨树是桃树的8倍，种的梨树和桃树一共有多少棵？【答案】306棵．【解析】果园里种了34棵桃树，种的梨树是桃树的8倍，根据乘法的意义可知，种了34×8棵桃树，则根据加法的意义，梨树和桃树一共有：34+34×8棵．解：34+34×8=34+272，=306（棵）．答：种的梨树和桃树一共有306棵．【点评】首先根据乘法的意义求出桃树的棵数是完成本题的关键．8.把“200﹣130=70，70×12=840”改写成综合算式是（）A．200﹣130×12 B．（200﹣130）×12 C．130×12﹣200【答案】B【解析】200﹣130=70，70×12=840，先算出200减去130的差，然后用求出的差乘上12即可．解：200﹣130=70，70×12=840写成综合算式是：（200﹣130）×12．故选：B．【点评】解决这类题目，要分清楚先算什么，再算什么，哪些数是运算出的结果，这些数不要在算式中出现．9.在计算400÷50×2时，应先算乘法，再算除法．．【答案】×【解析】根据四则混合运算法运算顺序可知，在计算400÷50×2时，应按从左到右的顺序计算，即先算除法再算乘法．解：在计算400÷50×2时，应先算除法再算乘法．故答案为：×．【点评】在四则运算中，加减法为一级运算，乘除法为二级运算，如果算式中同时含有一级运算与二级运算，要先算二级运算，再算一级运算；如果只有同级运算，则按从左到右的顺序计算即可．10.有一块长方形地，长42米，宽18米．如果每9平方米栽一棵树，这块地一共能栽多少棵树？【答案】84【解析】根据长方形的面积=长×宽，先求出这块长方形地的面积，因为每9平方米栽一棵果树，所以用地的面积除以9即可得到栽果树的棵数．据此解答．解：42×18÷9=756÷9=84（棵）．答：这块地一共能栽84棵树．【点评】本题的关键是先求出这块地的面积，再根据除法的意义列式求出可种果树的棵数．11.用简便方法计算：（要写计算过程．）25×9×4125×38×8．【答案】900；145；38000．【解析】（1）、（3）根据乘法交换律进行简算；（2）根据加法交换律进行简算．解：（1）25×9×4=25×4×9=100×9=900；（2）66+45+34=66+34+45=100+45=145；（3）125×38×8=125×8×38=1000×38=38000．【点评】考查了运算定律与简便运算，四则混合运算．注意运算顺序和运算法则，灵活运用所学的运算定律简便计算．12.一个工厂要生产3000个零件，前10天生产了1750套，剩下的要在5天内完成，这五天平均每天生产多少个零件？【答案】250个【解析】一个工厂要生产3000个零件，前10天生产了1750套，根据减法的意义，还剩下3000﹣1750套没完成，根据除法的意义，用剩下工作量除以所需天数，即得剩下的要在5天内完成，这五天平均每天生产多少个零件．解：（3000﹣1750）÷5=1250÷5=250（个）答：这五天平均每天生产250个零件．【点评】在求出剩下工作量的基础上，根据工作量÷工作时间=工作效率解答是完成本题的关键．13.甲乙两桶油共重100千克，甲桶油的重量是乙桶的3倍少20千克，甲、乙两桶油各有多少千克？【答案】甲桶油有70千克，乙桶油有30千克．【解析】设乙桶油有x千克，则甲桶油重（3x﹣20）千克，根据等量关系：甲桶油的重量+乙桶油的重量=100千克，列方程解答即可得乙桶油的重量，再求甲桶油的重量即可．解：设乙桶油有x千克，则甲桶油重（3x﹣20）千克，3x﹣20+x=1004x﹣20=1004x=120x=30，100﹣30=70（千克），答：甲桶油有70千克，乙桶油有30千克．【点评】本题考查了含有两个未知数的应用题，这类题用方程解答比较容易，关键是找准数量间的相等关系，设一个未知数为x，另一个未知数用含x的式子来表示，进而列并解方程即可．14.甲数是20，是乙数的4倍，求乙数，列式是20×4．．（判断对错）【答案】×【解析】甲数是乙数的4倍，求乙数，就用甲数除以4，即可求出乙数，由此判断．解：乙数是：20÷4=5；原题说法错误．故答案为：×．【点评】解决本题关键是理解倍数关系：已知一个数的几倍是多少，求这个数用除法求解．25+15×32176÷（9+13）60÷4×3．【答案】505；8；45．【解析】（1）先算乘法，再算加法；（2）先算小括号里面的加法，再算除法；（3）按照从左向右的顺序进行计算．解：（1）25+15×32=25+480=505；（2）176÷（9+13）=176÷22=8；（3）60÷4×3=15×3=45．【点评】考查了整数四则混合运算，注意运算顺序和运算法则，然后再进一步计算．16.爷爷的年龄是小明的8倍，爷爷今年比小明大63岁，爷爷和小明各多少岁？【答案】爷爷72岁，小明9岁．【解析】爷爷的年龄是小明的8倍，则爷爷今年比小明大8﹣1=7倍，大63岁，用除法即可得小明的岁数，再求爷爷的岁数即可．解：63÷（8﹣1）=63÷7=9（岁），9×8=72（岁），答：爷爷72岁，小明9岁．【点评】本题考查了差倍问题，关键是得出爷爷今年比小明大8﹣1=7倍．17.在横线上写上每道算式所求的问题．食堂运来40袋大米和30袋面粉，每袋大米和面粉都是25千克．①25×40：．②25×40﹣25×30：．③25×（40+30）：．【答案】食堂一共运来大米多少千克？40袋大米比30袋面粉多多少千克？食堂运来大米和面粉一共多少千克？【解析】这道题里所给的数据不多，属于简单问题的设计，题意非常明确：（1）25×40，表示40袋大米的总千克数；（2）25×40，表示40袋大米的总千克数，25×30表示30袋面粉的重量，所以25×40﹣25×30表示40袋大米比30袋面粉多多少千克；（3）（40+30）食堂运来的大米和面粉的总袋数，所以表示25×（40+30），表示食堂运来大米和面粉一共多少千克；由此回答问题即可．解：（1）25×40，问题：食堂一共运来大米多少千克？（2）25×40﹣25×30，问题：40袋大米比30袋面粉多多少千克？（3）25×（40+30），问题：食堂运来大米和面粉一共多少千克？故答案为：食堂一共运来大米多少千克？40袋大米比30袋面粉多多少千克？食堂运来大米和面粉一共多少千克？【点评】解答这类问题，要看清算式中的数据在题中的含义，再据算式写出所求的问题即可，属于简单的定向问题．18.与算式560÷（8×7）计算结果相等的是（）A．560×8÷7 B．560÷8÷7 C．560÷8×7【解析】根据整数四则运算的顺序，求出各个算式的结果，然后再进一步解答．解：560÷（8×7）=560÷56=10；A、560×8÷7=4480÷7=640；B、560÷8÷7=70÷7=10；C、560÷8×7=70×7=490；所以，560÷（8×7）=560÷8÷7．故选：B．【点评】本题关键是按照运算顺序，求出各个算式的结果，然后再进一步解答．19.修路队修一条长405米的道路，第一天修了75米，第二天修了87米，剩下的计划3天修完，剩下的平均每天要修多少米？【答案】81米【解析】根据加法的意义，前两天修了75+87=162米，则还剩下405﹣162=243米没有修，又剩下的路段也计划3天修完，根据除法的意义，用剩下的工作量除以所需天数，即得后3天平均每天要修多少米，列式解答即可．解：[405﹣（75+87）]÷3=[405﹣162]÷3=243÷3=81（米）答：剩下的平均每天要修81米．【点评】本题体现了工程问题的基本关系式：工作量÷工作时间=工作效率．20.某停车场收费规定：大客车第1小时收费4元，以后每小时收费5元；小轿车前2小时共收费6元，以后每小时收费4元．①一辆大客车停车6小时需要缴费多少元？②一辆小轿车离开停车场时，付了18元，小轿车停车几小时？【答案】29元；5小时【解析】（1）一辆大客车停车6小时，由题意可知，这辆大车第一小时收费是4元，后6﹣1小时每小时收费5元，根据乘法的意义可求出后几个小时收费的钱数元，再加上第1小时收费的钱数即可．（2）小轿车离开停车场时，付了18元，由于前两小时收费6元，则其超过两小时的收费为18﹣6元，超过部分每小时收费4元，根据除法的意义，可以求出其超过2小时的时间，再加上开始的2小时即可．解：（1）4+（6﹣1）×5=4+5×5=29（元）答：一辆大客车停车6小时需要缴费29元．（2）（18﹣6）÷4+2=12÷4+2=3+2=5（小时）答：小轿车停车5小时．【点评】完成本题要注意大客车是第一小时收费4元，小轿车是前2小时收费6元，对收费办法的理解，分段计算，然后合并起来即可．。
四则混合运算练习试题
四年级下册混合运算练习试卷（一）一、计算下面各题630÷（21－12）×16 （420－42×7）÷6 530＋54×4÷8186－900÷（100－95）（630÷9－23）×250 168－48×16÷8二、解决问题1、果园里的苹果树和桃树共有840棵，其中苹果树有15行，每行24棵。
如果桃树有8行，平均每行多少棵2、王师傅用3小时加工了105个零件。
照这样计算，王师傅再工作5小时一共可以加工多少个零件3、一把椅子售价55元，一张桌子的售价比椅子的2倍还多30元。
买一套这样的桌椅需要多少元4、一把椅子售价55元，一张沙发的售价比椅子的7倍还多5元。
一把椅子的售价比一张沙发便宜多少元5、一条裤子108元，一件上衣比裤子贵67元，买3套这样的衣服需要多少元6、给一个房间的地面贴地砖。
如果用长3分米，宽2分米的长方形地砖，160块正好贴满。
如果改用边长是4分米的正方形地砖，需要多少块（1）1120－（280－96÷8）（2）（42＋38）÷（473－468）（3）100×[(48－15)÷5] （4）[（125－25×5）＋35 ]×60（5）200÷10＋120×11 （6）516－（320＋320÷5）（7）2500－791÷7×8 （8）[150－3÷（30－28）]×101．为“希望小学”捐图书，三年级捐152本，四年级捐的是三年级的2倍少12本，五年级捐的是三、四年级总和的2倍少12本，五年级捐书多少本2．公园里有菊花100盆，比月季花少35盆，郁金香是菊花和月季花总数的3倍还多15盆。
公园里有郁金香多少盆3．水果店运来香蕉180千克，梨120千克，苹果比梨多50千克，西瓜的质量与香蕉和苹果的总质量的和同样多。
四则混合运算(四年级下)
四则混合运算(四年级下) 1.四年级数学下册四则混合运算练题125 - 25 × 6135 + 75) ÷ (14 × 5)120 - 60 ÷ 5 × 51024 ÷ 16 × 3135 + 415) ÷ 5 + 161200 - 20 × 18720 - 720 ÷ 15360 - 144) ÷ 24 × 3240 + 480 ÷ 30 × 2225 - 10 × (6 + 13)2.四年级数学下册四则混合运算练题120 × 2 + 120) ÷ 9164 - 13 × 5 + 85330 ÷ (65 - 50)128 - 6 × 8 ÷ 1664 × (12 + 65 ÷ 13)19 × 96 - 962 ÷ 74- (59 + 66) × 643.四年级数学下册四则混合运算练题5940 ÷ 45 × (798 - 616)315 × 40 - 364) ÷ 7735 × (700 - 400 ÷ 25)1520 - (1070 + 28 × 2)9405 - 2940 ÷ 28 × 21920 - 1680 ÷ 40 ÷ 7690 + 47 × 52 - 398148 + 3328 ÷ 64 - 75360 × 24 ÷ 32 + 7302100 - 94 + 48 × 544.四年级数学下册四则混合运算练题51 + (2304 - 2042) × 234215 + (4361 - 716) ÷ 81247 + 18) × 27 ÷ 2536 - 720 ÷ (360 ÷ 18)1080 ÷ (63 - 54) × 80528 + 912) × 5 - 617836 - 720 ÷ (360 ÷ 18)4 × 25 + 16 × 254 × 25 × 16 × 2568 + 32) × 55.四年级数学下册四则混合运算练题25 + 15) × 449 × 49 + 49 × 5168 + 32 × 5125 + 17) × 825 × 97 + 25 × 325 × 15) × 449 × 99 + 49125 × 25) × 485 × 82 + 82 × 1568 + 32) × 56.四年级数学下册四则混合运算练题64 × 15 - 14 × 1587 × 99 + 87)79 × 25 + 25)36 × 45 + 36 × 56 - 36)36 × 45 + 36 × 56 - 3)78 × 24 - 24 × 68)76 × 101 - 76)66 × 93 + 93 × 33 + 93)16 × 93 + 93 × 33 + 93)1.49×49+49×(40+6)×7/25(68+32)×568+32×5Rewritten: Calculate the value of the n 49 multiplied by 49 plus 49 multiplied by the sum of 40 and 6.all of which is then multiplied by 7 and divided by the product of 25 and the sum of 68 and 32.Add to this the product of 568 and 32.then divide the result by 5.2.49×99+49Rewritten: Find the value of 49 multiplied by 99.and then add 49 to the product.3.3000÷25÷4Rewritten: Divide 3000 by 25.and then divide the quotient by 4.4.150÷25÷2Rewritten: Divide 150 by 25.and then divide the quotient by 2.5.99×23+23Rewritten: Multiply 99 by 23.and then add 23 to the product.6.36×97—58×36+61×36Rewritten: Calculate the value of the n 36 multiplied by97.subtract from this the product of 58 and 36.and then add the product of 61 and 36.7.720÷15÷6Rewritten: Divide 720 by 15.and then divide the quotient by 6.8.6×(51+19)Rewritten: Add 51 and 19.and then multiply the sum by 6.9.56×7+45×7－7/8(79+21)÷20(20+4)×25Rewritten: Calculate the value of the n 56 multiplied by 7.add to this the product of 45 and 7.and then subtract 7.Divide the product of 8 and the sum of 79 and 21 by the product of 20 and the sum of 20 and 4.and then multiply the quotient by 25.10.329×101Rewritten: Multiply 329 by 101.11.9×37+9×63/99×23Rewritten: Calculate the value of the n 9 multiplied by 37.and add to this the product of 9 and 63.Divide the result by the product of 99 and 23.12.56×7+45×7－7/150÷25÷2Rewritten: Calculate the value of the n 56 multiplied by 7.add to this the product of 45 and 7.and then subtract 7.Divide the quotient of 150 divided by 25 by 2.13.98-18×5+25/25×4÷25×4Rewritten: Calculate the value of the n 98 minus 18 multiplied by 5.and then add 25.Divide the product of 25 and 4 by the product of 25 and 4.14.26×39＋61×26/324-68+32Rewritten: Calculate the value of the n 26 multiplied by39.and add to this the product of 61 and 26.Subtract 68 from 324.and then add 32 to the difference.15.356×9－56×999＋578×101－78/134×56－134＋45×134Rewritten: Calculate the value of the n 356 multiplied by9.subtract from this the product of 56 and 999.and add the product of 578 and 101.Finally。