【#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!
小数乘法练习题
姓名:
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
(1.25-0.125)×8 4.8×10.1 3.6×102 0.39×199
0.32×403 3.65×10.1 0.85×9.9
3.72×3.5+6.28×3.5 15.6×2.1-15.6×1.1 56.5×99+56.5
9.7×99+9.7 27.5×3.7-7.5×3.7 3.9×2.7+3.9×7.3
5.4×11-5.4 10.7×16.1-15.1×10.7 8.9×1.01
1
7.74×(2.8-1.3)+1.5×2.26 10.6×0.35-9.6×0.35 0.65×101
1.87×99+1.87 0.25×12.5×32 1.1×0.87-0.87
0.5×(0.2+2.4) 4.6-0.6×5.5 2.5×(0.4-0.04)
二、列竖式计算
4.6×5.4 = 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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