简便计算：4.8×1.25，5.6×10.1

Question

如题所述

Answer 1

4.8×1.25=0.6×（8×1.25）=0.6×10=6
5.6×10.1=5.6×10+5.6×0.1=56+0.56=56.56

Answer 2

4.8x1.25
=0.6x8x1.25
=0.6x10
=6;

5.6x10.1
=5.6x(10+0.1)
=5.6x10+5.6x0.1
=56+0.56
=56.56本回答被网友采纳

Answer 3

追答