用竖式计算0.401×0.3=0.45×0.96=0.17×0.71=(得数保留两位小数)3.45×36=91.2÷57=270.6÷1.5=验算:2.091÷1.02=0.2223÷0.65=(商精

题目简介

用竖式计算0.401×0.3=0.45×0.96=0.17×0.71=(得数保留两位小数)3.45×36=91.2÷57=270.6÷1.5=验算:2.091÷1.02=0.2223÷0.65=(商精

题目详情

用竖式计算
0.401×0.3=

0.45×0.96=

0.17×0.71=(得数保留两位小数)
3.45×36=91.2÷57=270.6÷1.5=验算:
2.091÷1.02=0.2223÷0.65=(商精确到百分位)1.5÷0.045=(商用循环小数表示)
52.65÷13=9.25÷3.7=验算21÷1.4=.
题型:解答题难度:中档来源:不详

答案

0.401×0.3=0.1203,


0.45×0.96=0.432,


0.17×0.71≈0.12,


3.45×36=124.2,


91.2÷57=1.6,


270.6÷1.5=180.4,

验算:


0.2223÷0.65≈0.34,


1.5÷0.045=33.
3



52.65÷13=4.05,


9.25÷3.7=2.5,

验算:


21÷1.4=15.

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