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-1-(-12分之5)-(-8分之7)-(-4分之3)等于多少
人气:219 ℃ 时间:2025-09-14 22:24:28
解答

-1-(-5/12)-(-7/8)-(-3/4)
=-1+5/12+(7/8+3/4)
=-1+5/12+13/8
=-1+49/24
=25/24

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