小数四则混合运算专项练习题有答案

  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

小数混合运算专项

练习276题(有答案)

(1) 0.11×1.8+8.2×0.11 (2) 2.34×99+2.34 (3) 5.4÷2.7×0.8 (4) 132×101 (5) 6.25÷1.25÷0.8 (6) 2.5×16. (7) 6.33×101﹣6.33 (8) 1.56×1.7+0.44×1.7 (9) 1.8×[(3.41﹣2.9)÷0.03] (10) 0.125×32×2.5. (11) 1.258×18.5﹣0.258×18.5 (12) 8.48÷0.8×0.9 (13) 1.25×2.4 (14) 5.85÷(1.3+0.5)×6. (15) 17.17﹣6.8﹣3.2﹣6.17 (16) 5.4×[(1.3+2.15)÷0.2] (17) 8.4÷0.6+8.4÷0.4 (18) 16.8×10.1 (19) 10.9﹣0.9÷0.2+1.8 (20) 1.25×3.2×0.25. (21) 1.36+4.85+2.64+6.15 (22) 98.5÷2.5÷4 (23) 5.4÷[2.5×(3.7﹣2.9)] (24) 0.8×(4﹣3.68)÷0.01 (25) 83.7﹣12.83﹣0.17 (26) 5.96+13×(3.2﹣3.12) (27) 4.32÷2.4×1.7; (28) 16.2×4.5+3.8×4.5; (29) 9.05﹣3.86﹣3.14; (30) 7.28+0.72÷0.9. (31) 4.32+5.43+6.68

(32) 17.17﹣6.8﹣3.2 (33) 5.29×9+5.29 (34) 16.8×10.1 (35) 2.74×9.5+5×0.274 (36) 0.36+9.6÷3.2. (37) 3.75×25+6.25×25 (38) 25.46﹣8.23﹣1.76 (39) 2.9+7.1×10 (40) 1.25×32×0.25. (41) 15.68﹣(7.78﹣4.32)﹣2.32 (42) 0.25×3.2×1.25 (43) 9.99×1.01 (44) 4.63×1.4+46.3×0.86 (45) 17.5÷0.8÷12.5 (46) 0.9+9.9+99.9+999.9. (47) 2.9×99+2.9 (48) 25×11.2×4 (49) 23.25﹣6.75﹣3.25. (50) 125×3.2×2.5 (51) 3.6×10.1 (52) 5.8×2.7+0.58×73 (53) 3.6+6.4×1.8 (54) (1.48+3.02)÷(3.6×0.5) (55) (36.7﹣4.9)×101﹣31.8. (56) 6.33×101﹣6.33 (57) 35.6﹣5×1.73 (58) 1.6×55.4﹣55.4×0.6 (59) 17.68÷5.2+2.7×1.5. (60) 1.08×0.8÷0.27 (61) 102×0.45 (62) 22.78÷1.25÷0.8 (63) 0.34×101﹣0.34. (64) 0.125×32×2.5 (65) 0.8×6.3﹣0.8×3.8 (66) 504÷3.2×2.08 (67) (20﹣0.8×9)×5.7 (68) 2.4×1.5+3.6÷1.5 (69) 7.38﹣5.14+3.62﹣2.86 (70) 0.12×1.8+8.2×0.12 (71) 5.4÷[0.51÷(1.2﹣1.03)] (72) [(8.1﹣5.6)×0.9﹣1.05]÷0.04. (73) 10.8﹣0.8÷(0.35+0.05) (74) 8×[1÷(2.3﹣2.25)] (75) 2.64×9.9+0.264 (76) 4.52+0.61+1.39+6.48 (77) 4.27﹣(1.96﹣1.73) (78) (294.4﹣19.2×6)÷(6+8) (79) 12.5×0.76×0.4×8×2.5. (80) 4.98+8.02×2.5 (81) 60.8﹣40.8÷2.5 (82) 0.8×69.6×12.5 (83) 4.98×99+4.9

(84) 6.48÷3.2÷2.5 (85) 1.2×7.6+7.6×6.8. (86) (9.4﹣5.8)×2.07 (87) 12.54﹣4.56﹣3.44﹣1.54 (88) (9.36×5+9.36+9.36×2)×1.25 (89) 7.236÷0.18﹣14.3×0.02.

(90) 9.6÷0.4×0.25 (91) 29.7÷(5.85÷0.65) (92) 7.4×9.9

(93) 3.84﹣2.7×0.64 (94) 8.68﹣8.68÷0.56×0.5 (95) 4.7×4.7+4.7+4.3×4.7.

(96) 2.72÷[(8.2﹣6.5)×0.5]; (97) 9.12+9.12×9﹣60.2; (98) 28.4÷0.4÷0.25; (99) 27.36﹣27.36÷7.6.

(100) 3.25×0.45+6.75×0.45 (101) 31.5﹣24.5÷3.5

(102) 7.5×102 (103) 6.3+3.7×2.8. (104) 2.15+8.73+1.27+7.85 (105) 11.87﹣(8.2+1.87) (106) 5.42﹣3.87﹣1.13 (107) 4.38﹣1.56+0.62﹣0.44 (108) 0.4×270×2. (109) (40+1.25)×8 (110) (12.5﹣0.05)×8 (111) 2.6×8.5+8.5×7.4 (112) 9.9×6.9﹣6.9×3.9 (113) 5.6×99+5.6 (114) 2.5×(1.9+1.9+1.9+1.9) (115) 7.2÷1.25÷8.

(116) 52.4﹣(15+0.6)÷1.6 (117) 9.87×99+9.87 (118) 46.8÷0.9÷0.4 (119) 5.5×17.3+6.7×5.5. (120) 99×4.2+4.2 (121) 0.25×1.25×3.2 (122) 6.4×14+15×6.4+6.4 (123) (1.3+1.3×0.125×8)÷(80﹣77.4) (124) 4×(25+2.5+0.25)÷111

相关文档
最新文档