小数四则混合运算专项练习题(能简便的要简便)
小数混合运算专项练习276题（能简便的要简便运算）
(1) 0.11X1.8+&2X0 ?行(13) 1.25X2.4
(2) 2.34X99+2.34 (14) 5.854- (1.3+0.5) X6.
(3) 5.4F2.7X0.8 (15) 17.17-6.8-3.2-6.17
(4) 132X101 (16) 5.4X[ (1.3+2.15) -r0.2]
(5) 6.254-1.254-0.8 (17) 8.44-0.6+&4F0.4
(6) 2.5X16 ?(18) 16.8X10.1
(7) 6.33X101 -6.33 (19) 10.9 ?0.94-0.2+1.8
(8) 1.56X1.7+0.44X1.7 (20) 1.25X3.2X0.25.
(9) 1.8X[ (3.41 - 2.9) 4-0.03] (21) 1.36+4.85+2.64+6.15
(10) 0.125X32X2.5. (22) 9& 5F2.5 宁4
(11) 1.258X1 &5- 0.258X1 &5 (23) 5.44-[2.5X (3.7-2.9)]
(25) 83.7 - 12.83 - 0.17 (38) 25.46 - 8.23 - 1.76
(26) 5.96+13X (3.2-3.12) (39) 2.9+7.1X10
(27) 4.324-2.4X1.7：(40) 1.25X32X0.25.
(28) 16.2X4.5+3.8X4.5：(41) 15.68 - (7.78 -4.32) - 2.32
(29) 9.05 - 3.86 - 3.14；(42) 0.25X3.2X1.25
(30) 7.28+0.72^-0.9 (43) 9.99X1.01
(31) 4.32+5.43+6.68 (44) 4.63X1.4+46.3X0.86
(32) 17.17-6.8-3.2 (45) 17.5F0.8F12.5
(33) 5.29X9+5.29 (46) 0.9+9.9+99.9+999.9 ?
(34) 16.8X10.1 (47) 2.9X99+2.9
(35) 2.74X9.5+5X0.274 (48) 25X11.2X4
(36) 0.36+9.64-3.2. (49) 23.25 - 6.75 - 3.25.
(37) 3.75X25+6.25X25 (50) 125X3.2X2.5
(51) 3.6X10.1 (64) 0.125X32X2.5
(52) 5.8X2.7+0.58X73 (65) 0.8X6.3?0.8X3.8
(53) 3.6+6.4X1.8 (66) 504-^3.2X2.08
(54) (1.48+3.02) (3.6X0.5) (67) (20-0.8X9) X5.7
(55) (36.7-4.9) X101 - 31.8?(68) 2.4X1.5+3.64-1.5
(56) 6.33X101 -6.33 (69) 7.38 - 5.14+3.62 - 2.86
(57) 35.6-5X1.73 (70) 0.12X1.8+8.2X0.12
(58) 1.6X55.4 - 55.4X0.6 (71) 5.4宁[0.51F (1.2 - 1.03)]
(59) 17.684-5.2+2.7X1.5. (72) [(& 1 - 5.6) X0.9-1.05J4-0.04.
(60) 1.08X0.84-0.27 (73) 10.8-0.84- (0.35+0.05)
(61) 102X0.45 (74) 8X[1 宁(2.3-2.25)]
(62) 22.784-1.254-0.8 (75) 2.64X9.9+0.264
(63) 0.34X101 -0.34 ?(76) 4.52+0.61+1.39+6.48
(77) 4.27 - (1.96 - 1.73) (90) 9.64-0.4X0.25
(78) (294.4- 19.2X6)宁(6+8) (91) 29.74- (5.854-0.65)
(79) 12.5X0.76X0.4X8X2.5. (92) 7.4X9.9
(80) 4.98+&02X2.5 (93) 3.84-2.7X0.64
(81) 60.8 -40.84-2.5 (94) 8.68- 8.684-0.56X0.5
(82) 0.8X69.6X12.5 (95) 4.7X4.7+4.7+4.3X4.7.
(83) 4.98X99+4.9 (96) 2?72宁［(&2-6.5) X0.5］：
(84) 6.484-3.24-2.5 (97) 9.12+9.12X9-60.2：
(85) 1.2X7.6+7.6X6. & (98) 28.44-0.44-0.25：
(86) (9.4- 5.8) X2.07 (99) 27.36?27?36宁7?6?
(87) 12.54-4.56 - 3.44 - 1.54 (100) 3.25X0.45+6.75X0.45
(88) (9.36X5+9.36+9.36X2) X1.25 (101) 31.5-24.5^-3.5
(89) 7.2364-0.18 ? 14.3X0.02. (102) 7.5X102
(103) 6.3+3.7X2. & (116) 52.4 - (15+0.6) 4-1.6
(104) 2.15+8.73+1.27+7.85 (117) 9.87X99+9.87
(105) 11.87 - (8.2+1.87) (118) 46?8三0?9三0?4
(106) 5.42 - 3.87 - 1.13 (119) 5.5X17.3+6.7X5.5.
(107) 4.38 ? 1.56+0.62 -0.44 (120) 99X4.2+4.2
(108) 0.4X270X2 ?(121) 0.25X1.25X3.2
(109) (40+1.25) X8 (122) 6.4X14+15X6.4+6.4
(110) (12.5-0.05) X8 (123) (1.3+1.3X0.125X8)三(80-77.4) (111) 2.6X8.5+&5X7.4 (124) 4X (25+2.5+0.25) 4-111
(112) 9.9X6.9-6.9X3.9 (125) 6.25-? ((17.2-3.6X4.5) 4-0.32) (113) 5.6X99+5.6 (126) 28.4X99+2&4
(114) 2.5X (1.9+1.9+1.9+1.9) (127) 0.94X2.5-0.45
(115) 7.24-1.254- 8?(128) 4X0.8X12.5X2.5
(129) 17.5-^0.25X17+13. (142) 2.4X1.5+3.6^-1.5
(130) 10.1X87 (143) 0.32X0.25+0.084-4 (131) 2.3+3.19-? (22-19.8) (144) (9.6+1.48^3.7) 4-8 (132) 1.25X7.2. (145) 5.8宁[4X (1.34-0.14)] (133) 9.1 - 1.2-r6 ? 6.24 (146) 5.44-[0.514- (1.2 - 1.03)]. (134) 7.3+12.8 - 3.8X2.3 (147) 21.35- 3.25- 16.75 (135) (5.36+7.64) -M3X100 (148) 33.02 - (148.4-90.85) 4-2.5 (136) 7?575宁[(5.63 - 1.88) X0.2]?(149) 32X2.5X0.125
(137) 7.5 - (5.5+1.24) (150) 1&1+ (3 - 0.2994-0.23) X1. (138) 0.26+15.68+9.74+2.32 (151) 67 - (2.98+0.67)
(139) 13.26+9.55- 3.26 (152) 8X16-73.8X6
(140) 6.1+3.9-6.1+3.9. (153) (45+14) 4-73+710 ?(141) 31.74-0.63 2(154) 13.7X0.125X8
(155) 0.8X[13 - (3.12+5.28)] (168) 18宁[0.3X (8-6.5)] (156) 102X0.56 (169) 12.7+12.5+0.5.
(157) 1.53X1.7+0.47X1.7. (170) 914-2.64-0.05= (158) 5.18+0.73+0.82 (171) 63X3.7+6.3X6.3= (159) 0.75X1.8-M.5 (172) (3.7+1.7X0.4) 4-2.5= (160) 12.5X7.1X0.8 (173) 7.28+3.24-2.5=
(161) 6.12X99+6.12 (174) 0.74+0.9X7.4=
(162) 8.64-0.86+8X0.35 (175) 7.8-^0.125^0.8= (163) 5.6X (1&5- 8.5-4-0.5) (176) 37.5宁[0.3X (1.34- 0.84)] (164) 0.125X4.78X80 (177) (2.5+27.754-1.5) X1.6. (165) 2.8X3.6+1.4X2.8 (178) 6.21 ? 3.8+2.2 (166) (0.4+40) X2.5 (179) 6.03+3.7+2.97
(167) 7&7 - 17.7X3.6 (180) 17.43-6.57-2.43