22.32/0.8/0.9有简便方法计算吗?能否简要给说明一点._数学解答

22.32/0.8/0.9有简便方法计算吗?能否简要给说明一点.

人气：291 ℃　时间：2020-05-02 07:06:10

解答

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