15⼀11-括号3⼀8-5⼀8括号等于几分之几

15/11-括号3/8-5/8括号等于几分之几
2024-11-30 00:06:32
推荐回答(2个)
回答1:

解:
15/11-(3/8-5/8)
=15/11-(-2/8)
=15/11+2/8
=15/11+1/4
=60/44+11/44
=(60+11)/44
=71/44
=44分之71
15/11-括号3/8-5/8括号等于44分之71

回答2:

13分之11-括号5/8-12分之二括号
=11/13-(15/24-4/24)
=11/13-11/24
=264/312-143/312
=121/312
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