-4乘(-5分之+5分之1-5分之4-11分之12)乘15
人气:332 ℃ 时间:2020-03-25 07:41:38
解答
7/9*5/11+4/9*5/11-5/9*5/11=(7/9+4/9-5/9)*5/11=6/9*5/11=10/33 你们的题目应该是能简算的要简算把 1-4/5/(除号)(2/15+2/3)*7/13=1-4/5/(除号)4/5*7/13=1-1*7/13=1-7/13=6/13 纯手打累啊
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