99.9922.22+33.3333.34的简便运算?

分类: 作业答案 • 2021-12-18 11:01:41

问题描述：

99.99*22.22+33.33*33.34的简便运算?

答

99.99*22.22+33.33*33.34
=33.33*66.66+33.33*33.34
=33.33*(66.66+33.34)
=33.33*100
=3333

99.99*22.22+33.33*33.34的简便运算?