能简算的简算:2/9-6/13×2/9 36×(17/18-2/9) 4/13×4/7-3/7×4/13(5/6+2/3)×12 (5/9×7/10-1/3)×6/5
问题描述:
能简算的简算:2/9-6/13×2/9 36×(17/18-2/9) 4/13×4/7-3/7×4/13
(5/6+2/3)×12 (5/9×7/10-1/3)×6/5
答
先拆括号6和12再约分最后加2/3最后等于10又2/3
我能不能只答那一题,我还有英语作业,语文作业一堆呢,我打数字符号超慢····