5.69-0.98怎样简便运算？

Question

如题所述

Answer 1

简便计算过程方法如下
解：5.69-0.98
=5.69-1+0.02
=4.69+0.02
=4.71

Answer 2

5.69-0.98
=5.69-1+0.02
=4.69+0.02
=4.71