7.02乘以1.02的简算怎没做

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7.02乘以1.02的简算怎没做

7.02乘以1.02
=7.02×(1+0.02)
=7.02×1+7.02×0.02
=7.02+0.1404
=7.1604

(7+0.02)(1+0.02)=7.1604

7.02×1.02
=(7+0.02)×1.02
=7.14+0.0204
=7.1604

7.02*1.02=7.02(1+0.02)=7.02+0.1404=7.1604