(﹣2又4分之3)+ 1又3分之2 + 0.75 + (+ 8分之1)+(3.125)
人气:310 ℃ 时间:2019-08-20 12:54:20
解答
(﹣2又4分之3)+ 1又3分之2 + 0.75 + (+ 8分之1)+(3.125)
=(﹣2又4分之3+ 0.75 )+ 1又3分之2 + (+ 8分之1+3.125)
=-2+3分之5+3又4分之1
=-12分之24+12分之20+12分之39
=12分之35
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