6.8X0.56+4.4X0.68简便算法

6.8X0.56+4.4X0.68简便算法
2024-11-23 21:52:31
推荐回答(1个)
回答1:

6.8X0.56+4.4X0.68
=6.8X0.56+0.44X6.8
=6.8x(0.56+0.44)
=6.8x1
=6.8