发布网友 发布时间:2024-10-24 04:22
共4个回答
热心网友 时间:2024-11-09 06:51
11/12
热心网友 时间:2024-11-09 06:53
5/7-(3/4-2/3)
=5/7-(9/12-8/12)
=5/7-1/12
=60/84-7/84
=53/84 (84分之53)
热心网友 时间:2024-11-09 06:57
5/7-(3/4-2/3)
=5/7-1/12
=53/84
热心网友 时间:2024-11-09 06:57
解:5/7-(3/4-2/3)
=5/7-(9/12-8/12)
=5/7-1/12
=60/84-7/84
=53/84