小数乘法简便运算练习题

2022-04-11 23:01:24   文档大全网     [ 字体: ] [ 阅读: ]

#文档大全网# 导语】以下是®文档大全网的小编为您整理的《小数乘法简便运算练习题》,欢迎阅读!
乘法,练习题,小数,运算,简便
小数乘法练习题

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一、简便运算

0.25×8.5×4 12.5×0.96×0.8 0.25×0.73×4 4.36×12.5×8

0.25×16.2×4 1.25×2.5×32 3.2×0.25×12.5 0.25×36

(1.250.125)×8 4.8×10.1 3.6×102 0.39×199

0.32×403 3.65×10.1 0.85×9.9

3.72×3.56.28×3.5 15.6×2.115.6×1.1 56.5×9956.5

9.7×999.7 27.5×3.77.5×3.7 3.9×2.73.9×7.3

5.4×11-5.4 10.7×16.1-15.1×10.7 8.9×1.01



1


7.74×(2.81.3)+1.5×2.26 10.6×0.359.6×0.35 0.65×101

1.87×991.87 0.25×12.5×32 1.1×0.87-0.87

0.5×(0.22.4 4.6-0.6×5.5 2.5×(0.4-0.04

二、列竖式计算

46×5.4 = 0.56×1.8= 3800×0.76= 0.25×0.046

(保留两位小数)





3.08×0.43= 13.5×6.7 = 1.08×25= 0.12×0.44

(精确到十分位)



1.7×0.45= 0.37×8.4= 2.15×6.4= 7.6×0.47

(精确到百分位)





18×3.06= 1.08×5.5= 1.5×0.062= 6.5×0.04



2


(精确到百分位)

3


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