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1.2x2.5+0.8x2.5简便

1.2x2.5+0.8x2.5 =(1.2+0.8)x2.5 =2x2.5 =5

原式=(1.2+0.8)×2.5 =2×2.5 =5

1.2x2.5+0.8x2.5 =(1.2+0.8)x2.5 =2x2.5 =5

提取公因数2.5: 1.2X2.5+0.8X2.5 =2.5X(1.2+0.8) =2.5X2 =5

原式 =(1.2+0.8)x2.5 =2x2.5 =5 供参考。

=2.5*(1.2+0.8) =2.5*2 =5

=(1.2+0.8)×2.5) =2×2.5 =5

答:1.2x2.5+0.8x2.5=(1.2+0.8)x2.5=2x2.5=5

1.2乘2.5加0.8乘2.5 =1.2x2.5+0.8x2.5 =2.5x(1.2+0.8) =2.5x2 =5

原式 =2.5*(1.2+0.8) =5 希望能帮到你,请采纳正确答案. 你的点赞或采纳是我继续帮助其他人的动力

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