口算40×0.5=2.48÷0.8=0.5×1.8=0.84÷7=0.54÷0.6=4÷0.25=3.9÷39=0.9×0.9=6.5÷1.3=1.5×102=-数学

题目简介

口算40×0.5=2.48÷0.8=0.5×1.8=0.84÷7=0.54÷0.6=4÷0.25=3.9÷39=0.9×0.9=6.5÷1.3=1.5×102=-数学

题目详情

口算
40×0.5=2.48÷0.8=0.5×1.8=0.84÷7=0.54÷0.6=
4÷0.25=3.9÷39=0.9×0.9=6.5÷1.3=1.5×102=
题型:解答题难度:中档来源:不详

答案

40×0.5=20,2.48÷0.8=3.1,0.5×1.8=0.9,0.84÷7=0.12,0.54÷0.6=0.9,
4÷0.25=16,3.9÷39=0.1,0.9×0.9=0.81,6.5÷1.3=5,1.5×102=153.

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