0.25*39+0.25 简便计算

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0.25*39+0.25简便计算0.25*39+0.25简便计算0.25*39+0.25简便计算0.25*39+0.25=0.25×(39+1)=0.25×40=100.25*39+0.25=0.25

0.25*39+0.25 简便计算
0.25*39+0.25 简便计算

0.25*39+0.25 简便计算
0.25*39+0.25
=0.25×(39+1)
=0.25×40
=10

0.25*39+0.25
=0.25*(39+1)
=0.25*40
=10

0.25*39+0.25
=0.25*(39+1)
=0.25*40
=10