发布网友 发布时间:2025-01-21 07:55
共2个回答
热心网友 时间:2025-01-21 17:57
36乘括号1/3-5/81加7/12反括号
=36x1/3-36x5/81+36x7/12
=12-20/9+21
=33-2又2/9
=30又7/9
热心网友 时间:2025-01-21 17:58
36×(1/3-5/81+7/12)
=36×1/3-36×5/81+36×7/12
=12-20/9+21
=(12+21)-2又2/9
=33-2-2/9
=30又7/9