Question

2.48×0.56-5.6×0.048怎么简便计算？

Answer 1

原式=2.48×0.56-0.56×10×0.048
=2.48×0.56-0.048×10×0.56
=2.48×0.56-0.48×0.56
=（2.48-0.48）×0.56
=2×0.56
=1.12

Answer 2

2.48×0.56-5.6×0.048
=2.48×0.56-0.56×0.48
=0.56×（2.48-0.48）
=0.56×2
=1.12
此题应用了乘法分配律的逆用，计算简单。

Answer 3

2.48×0.56-5.6×0.048怎么简便计算？
=0.248×5.6-5.6×0.048
=5.6×（0.248-0.048）
=5.6×0.2
=1.12
望采纳 谢谢~~

Answer 4

2.48x0.56-5.6x0.048=0.248x5.6-5.6x0.048=5.6x（0.248-0.048）=5.6x0.2=1.12

Answer 5

简便计算方法是：
2.48x0.56-5.6x0.048
=0.248x5.6-5.6x0.048
=5.6（0.248-0.048）
＝5.6x0.2
=1.12