十五分之十三减括号十二分之五加三分之一括住等于()

2025-06-21 16:36:02
推荐回答(1个)
回答1:

13/15-(5/12+1/3)
=13/15-(5/12+4/12)
=13/15-9/12
=13/15-3/4
=52/60-45/60
=7/60
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