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](/uploads/image/z/1583507-11-7.jpg?t=2.5%2A8.5%2B25%2A0.15%E6%80%8E%E4%B9%88%E7%AE%80%E7%AE%97)
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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+1.5)
=2.5x10
=25
2.5*8.+2.5*1.5
25*(0.85+0.15)