11/12减小括号1/3+1/4小括号简便计算过程?

2022-04-19 23:15发布

11/12 -(1/3 + 1/4)=11/12 - 7/12=4/12=1/3

11/12 -(1/3 + 1/4)=11/12 - 7/12=4/12=1/3