22.32/0.8/0.9有简便方法计算吗?能否简要给说明一点.

分类: 作业答案 • 2021-12-28 17:41:04

问题描述：

答

22.32/0.8/0.9
=(24-1.68)/0.8/0.9
=24/0.8/0.9-1.68/0.8/0.9
=30/0.9-2.1/0.9
=100/3-7/3
=93/3
=31