2.5*8.5+25*0.15怎么简算

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2.5*8.5+25*0.15怎么简算2.5*8.5+25*0.15怎么简算2.5*8.5+25*0.15怎么简算2.5*8.5+25*0.15=2.5x8.5+2.5x1.5=2.5x(8.5+1.

2.5*8.5+25*0.15怎么简算
2.5*8.5+25*0.15怎么简算

2.5*8.5+25*0.15怎么简算
2.5*8.5+25*0.15
=2.5x8.5+2.5x1.5
=2.5x(8.5+1.5)
=2.5x10
=25

2.5*8.+2.5*1.5

25*(0.85+0.15)