请问18⼀11-(5⼀7-4⼀11)怎么简算

2024-12-01 17:07:30
推荐回答(4个)
回答1:

18/11-(5/7-4/11)
=18/11+4/11-5/7
=2-5/7
=9/7

回答2:

18/11-5/7+4/11
=(18/11+4/11)-5/7
=22/11-5/7
=2-5/7
=14/7-5/7
=9/7

回答3:

18|11+4|11—5|7

回答4:

18/11-(5/7-4/11)
=18/11-5/7+4/11
=18/11+4/11-5/7
=2-5/7
=1又2/7