(101/12+25/7)-(4/7-7/12)怎么算(简便运算)

问题描述:

(101/12+25/7)-(4/7-7/12)怎么算(简便运算)

(101/12+25/7)-(4/7-7/12)
=101/12+25/7-4/7+7/12
=101/12+7/12+25/7-4/7
=108/12+21/7
=9+3
=12