0.1
0.1
÷0.5=0.2      0.36÷
0.4
0.4
=0.9.
分析:(1)我們運用0.2乘以0.5就是我們要求的被除數(shù)是多少.
(2)我們運用0.36除以0.9就是要求的除數(shù)是多少.
解答:解:(1)0.2×0.5=0.1;
(2)0.36÷0.9=0.4;
故答案為:0.1,0.4.
點評:我們運用“商×除數(shù)=被除數(shù)”“被除數(shù)÷商=除數(shù)”進(jìn)行解答即可.
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