Question

7.12x0.24x3.5的简便方法？

Answer 1

简便计算过程如下

1、提取原式: 7.12×0.24×3.5

2、计算过程 :

=7.12×（0.24×3.5）

=7.12×0.84

=7.12×0.8+7.12×0.04

=5.696+0.2848

=5.9808

3、计算结果: 5.9808

4、谢谢，期待您的采纳！

Answer 2

7.12x0.24x3.5
=7.12x0.12x7
=7.12*0.84
=7.12*4*0.21
=28.48*0.21
=28.48*0.2+28.48*0.01
=5.696+0.2848
=5.9808