18⼀7*5⼀4+11⼀18⼀4⼀5怎么简便计算

2024-11-02 21:24:23
推荐回答(2个)
回答(1):

18/7*5/4+11/18/4/5
=18/7*5/4+11/18*5/4
=(7/18+11/18)x5/4
=1x5/4
=5/4

回答(2):

7/18*5/4+11/18/4/5
=7/18*5/4+11/18*5/4
=5/4(7/18+11/18)
=5/4