18⼀11减括号,7⼀11+3⼀8括号完。

2024-11-01 18:43:25
推荐回答(2个)
回答(1):

18/11减括号7/11+3/8括号
=18/11-(7/11+3/8)
=18/11-7/11-3/8
=(18/11-7/11)-3/8
=11/11-3/8
=8/8-3/8
=5/8

回答(2):

18/11-(7/11+3/8)
=18/11-7/11-3/8
=1-3/8
=5/8