8/17+括号11/14+11/17括号完乘9/11
8/17+括号11/14+11/17括号完乘9/11
日期:2022-04-10 17:22:55 人气:1
8/17+括号11/14+11/17括号完乘9/11
8/17+(11/14+11/17)*9/11
=8/17+11/14*9/11+11/17*9/11
=8/17+9/14+9/17
=8/17+9/17+9/14
8/17+(11/14+11/17)*9/11
=8/17+11/14*9/11+11/17*9/11
=8/17+9/14+9/17
=8/17+9/17+9/14