15.8×0.12÷7.9+3.8的简便方法?
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15.8÷0.12÷7.9+3.8
=15.8÷7.9÷0.12+3.8
=2÷0.12+3.8
=2/0.12+3.8=20.5
=15.8÷7.9÷0.12+3.8
=2÷0.12+3.8
=2/0.12+3.8=20.5
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15.8×0.12÷7.9+3.8
=0.12×(15.8÷7.9)+3.8
=0.12×2+3.8
=0.24+3.8
=4.04
=0.12×(15.8÷7.9)+3.8
=0.12×2+3.8
=0.24+3.8
=4.04
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展开全部
15.8×0.12÷7.9+3.8
=15.8÷7.9×0.12+3.8
=2×0.12+3.8
=0.24+3.8
=4.04
=15.8÷7.9×0.12+3.8
=2×0.12+3.8
=0.24+3.8
=4.04
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展开全部
=2*0.12+3.8=0.24+3.8=4.04
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展开全部
15.8*0.12/7.9+3.8
=15.8/7.9*0.12+3.8
=2*0.12+3.8
=0.24+3.8
=4.04
=15.8/7.9*0.12+3.8
=2*0.12+3.8
=0.24+3.8
=4.04
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评论
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你对这个回答的评价是?
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