5.68乘4加4.32除0.25的简便脱式计算

如题所述

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第1个回答 2016-10-24

5.68x4+4.32÷0.25
=5.68x4+4.32÷1/4
=5.68x4+4.32x4
=（5.68+4.32）x4
=10x4
=40
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第2个回答 2016-10-24

5.68X4+4.32÷0.25
=5.68X4+4.32÷1/4
=5.68X4+4.32X4
=(5.68+4.32)X4
=10X4
=40

第3个回答 2016-10-24

5.68x4+4.32÷0.25
=5.68x4+4.32x4
=（5.68+4.32）x4
=10x4
=40追问

0.25去哪了还多了个乘4

追答

4.32÷0.25=4.32x4 0.25=1/4的倒数就是4

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