7.23×4.8+0.52×73.2 简便计算

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7.23×4.8+0.52×73.2简便计算7.23×4.8+0.52×73.2简便计算7.23×4.8+0.52×73.2简便计算7.23×4.8+0.52×73.2=7.23*4.8+0.52*1

7.23×4.8+0.52×73.2 简便计算
7.23×4.8+0.52×73.2 简便计算

7.23×4.8+0.52×73.2 简便计算
7.23×4.8+0.52×73.2
=7.23*4.8+0.52*10*7.23
=7.23*(4.8+5.2)
=7.23*10
=72.3

7.23×4.8+0.52×73.2
=7.32*(4.8+5.2)
=7.32*10
=73.2

原式=72.3×0.48+0.52×72.3=72.3(0.48+0.52)=72.3

原式=72.3×0.48+0.52×72.3=72.3(0.48+0.52)=72.3