苏教版五年级数学上册简便运算专题练习(提优)

1、简便运算练习（1）4.02 5.4 0.985.17 1.8 3.213.75 (3.75 6.48)3.68 7.56 2.687.85 2.34 0.85 4.667.14 0.53 2.43.82 2.9 0.18 9.17.29.6 4.8 3.635.6 1.8 15.65.27 2.86 0.66 1.63813.35 4.68 2.6547.8 7.45+8.0.398+0.36+3.643)15.75+3.59 0.59+14.2542.5 (6.07 1.173.8 1.64 13.8 5.36466.86 8.66 1.340.25X16.2X5.48-(9.4-0.52)

2、3.72X 3.5+6.28X 3.536.8-3.9-6.14.8X7.8+78X 0.520.93.6X 102 6.4X0.25+3.6+432 + 4.9简便运算练习（2）4.8-4.8X0.5(1.250.125)X84.8X 100.156.5X9.9 + 56.5767.09X 10.8-0.8X7.0918.76X 9.9+ 18.1.25X2.5X32320+1.25+ 83.52 2.5 0.44.78+ 0.2+ 3.443.9-4.1 + 6.1-5.90.49+ 1.44.23.53.6-0.6X2 3.65X 10.13.63.6X0.815.2 + 0.25+17

3、.8+(1.78X4)9.6 + 0.8+0.44.2X99+ 4.29.7X99 + 9.70.89X100.15.6+3.5146.5- (23 + 46.5)1.57+0.245+7.430.134+2.66+0.8661.27+3.9+0.73+16.5.83X 2+ 4.27(45.9 32.7) + 8 + 0.1254.36X 12.5简便运算练习（3）15.6X 13.115.615.6X2.10.65X1016.02+3.6+1.9827.5X 3.7-7.5X3.78.54+2.5 + 0.43.83X4.56+ 3.83X5.447.5 +4.9 -6.54.8+8.63

4、+5.2+0.375.93+0.19+2.811.76+0.195+3.248-2.45-1.552.35+1.713+0.287+7.653.07 -0.38 -1.621.29+ 3.7+2.71 +6.30.32X40323.4-0.8 -13.4 -7.20.853.25 + 1.79 -0.59 +1.75X1993.2 +0.36 +4.8 +1.641.23+3.4 -0.23 +6.60.256简便运算练习（4）0.8 X (4.3 X 1.25)3.12+ 3.12 X9928.6 X 101-28.612.7 (3.7 +0.84 )36.54-1.76-4.540.250

5、.737.6 X 0.8+ 0.2 X7.612.5X 0.96 X 0.80.258.51.28 X8.6 +0.72 X8.610.49.6 0.354.25+2.5 X 9.9 +0.172.4 X102(4.23 +6.17) X 0.80.86 X 15.7 0.86 X 14.7(7.7 + 1.54) +0.72.52.40.35 x 1.25 x 2X0.814- 7.32 -2.684.9+1.42.64+ 8.67 +7.36 + 11.332.31 X1.2 X0.53.9+ (1.3 x 5)(2.5 0.25) X0.9.16 x 1.5 -0.5 x 9.163.6-3.6 X0.54.5 +1.简便运算练习（5）4.2 +3.5930+ 0.6 +563.4+2.5 +0.42.7 +4532.4X0.9+0.1 X32.415+ (0.15X0.4)15+ 0.25(1.25 0.125)X87.74 X (2.8 -1.3 ) + 1.5X2.2670+ 2821 X (9.33.7 ) -5.636.54