45.36+(18.34-15.36)用简便算法怎么算?
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45.36+(18.34-15.36)用简便算法怎么算?
45.36+(18.34-15.36)重新分配
45.36+(18.34-15.36)
=45.36-15.36+18.34
=30+18.34
=48.34
45.36+(18.34-15.36)重新分配
45.36+(18.34-15.36)
=45.36-15.36+18.34
=30+18.34
=48.34
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展开全部
45.36+(18.34-15.36)
=45.36+18.34-15.36
=45.36-15.36+18.34
=30+18.34
=48.34
=45.36+18.34-15.36
=45.36-15.36+18.34
=30+18.34
=48.34
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