6.25*2.7+6.5*1.25的简便算法

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6.25*2.7+6.5*1.25的简便算法

6.25*2.7+6.5*1.25的简便算法
6.25*2.7+6.5*1.25的简便算法

6.25*2.7+6.5*1.25的简便算法
6.25×2.7+6.5×1.25
=1.25×5×2.7+1.25×6.5
=1.25×13.5+1.25×6.5
=1.25×(13.5+6.5)
=1.25×20
=25

回答即可得2分经验值，6.25×2.7+6.5×1.25
=1.25×5×2.7+1.25×6.5
=1.25×13.5+1.25×6.5
=1.25×(13.5+6.5)
=1.25×20
=25 回答被选为满意回答可同步增加经验值和财富值

6.25*2.7+6.5*1.25=1.25*2.7*5+6.5*1.25=1.25*13.5+6.5*1.25=1.25*(13.5+6.5)=1.25*20=25

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