4.28×99+4.28简便运算怎么做

Question

如题所述

Answer 1

4.28×99+4.28简便运算如下：
4.28×99+4.28
=4.28×（99+1）
=4.28×100
=428
希望我的回答可以帮到你。

Answer 2

4.28×99+4.28简便运算怎么做？
4.28×99+4.28
=4.28×（100-1）+4.28
=4.28×100-4.28×l+4.28
=428-4.28+4.28
=428

Answer 3

4.28×99+4.28简便运算如下：
4.28×99+4.28
=4.28×（99+1）
=4.28×100
=428

Answer 4

4.28×99+4.28简便运算如下：
4.28×99+4.28
=4.28×（99+1）
=4.28×100
=428

Answer 5

4.28×99+4.28简便运算如下：
4.28×99+4.28
=4.28×（99+1）
=4.28×100
=428