21.36除以0.8-13.36除以0.8怎样简算

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21.36除以0.8-13.36除以0.8怎样简算

21.36除以0.8-13.36除以0.8怎样简算
21.36除以0.8-13.36除以0.8怎样简算

21.36除以0.8-13.36除以0.8怎样简算
21.36÷0.8-13.36÷0.8
=(21.36-13.36)÷0.8
=8÷0.8
=10

分配率的逆用 = (21.36-13.36)/0.8 结果自己算

21.36除以0.8-13.36除以0.8
=(21.36-13.36)除以0.8
=8除以0.8
=10

21.36除以0.8-13.36除以0.8
=(21.36-13.36)/0.8
=8/0.8=10

先合并,
=(21.36-13.36)/0.8=8/0.8=10