99.99×22.22+33.33×33.34 简便方法计算

分类: 作业答案 • 2021-12-19 15:56:37

问题描述：

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