口算.6.3÷O.21=3.9÷0.13=1.1×1.1=0.6×0.7=0.9-0.32=1.59+5.31=1.25×O.8=6.5÷0.5=0.78÷2=-数学

题目简介

口算.6.3÷O.21=3.9÷0.13=1.1×1.1=0.6×0.7=0.9-0.32=1.59+5.31=1.25×O.8=6.5÷0.5=0.78÷2=-数学

题目详情

口算.
6.3÷O.21=
3.9÷0.13=1.1×1.1=0.6×0.7=
0.9-0.32=1.59+5.31=1.25×O.8=6.5÷0.5=
0.78÷2=
题型:解答题难度:中档来源:不详

答案

6.3÷O.21=303.9÷0.13=301.1×1.1=1.210.6×0.7=0.42
0.9-0.32=0.581.59+5.31=6.91.25×O.8=16.5÷0.5=13
0.78÷2=0.39

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