4 .8✘0.25的简便运算

Question

如题所述

Answer 1

方法一: 4.8X0.25=1.2X(4X0.25)=1.2X1=1.2。 方法二: 4.8X0.25=4.8X1/4=1.2

Answer 2

4 .8x0.25的简便运算
=（4+0.8）x0.25
=4x0.25+0.8x0.25
=1+0.2
=1.2

Answer 3

4.8×0.25
=1.2×4×0.25
=1.2×(4×0.25)
=1.2×1
=1.2
做简便运算乘法的时候，有两个式子要记得
25×4=100
125×8=1000
灵活运用小数点的变化，尽量往这两个式子靠本回答被网友采纳

Answer 4

4 .8×0.25
=（1.2×4）×0.25
=1.2×（4×0.25）
=1.2×1
=1.2本回答被网友采纳