(4又分之3分之2)+8分之3+(﹣6分之5)+(﹣8分之5)+3又4分之3等于多少,

问题描述:

(4又分之3分之2)+8分之3+(﹣6分之5)+(﹣8分之5)+3又4分之3等于多少,
1个回答 分类:数学 2014-11-08

问题解答:

我来补答
(4+2/3) + 3/8 + (-5/6) + (-5/8) + (3+3/4)
  = 4 + 3 + [3/8 + (-5/8)] + [2/3 + (-5/6)]
  = ……
再问: 大哥,你这是什么
再答: 写到这一步了,相信你能接着算出来,难道不行吗?
再问: 我不会啊,所以我才问吗,我要的是全部
再答: 回答一位不会得理直气壮的小朋友的问题: (4+2/3) + 3/8 + (-5/6) + (-5/8) + (3+3/4)  = 4 + 3 + [3/8 + (-5/8)] + [2/3 + (-5/6)]   = 7 + (-2/8) + (-3/6)   = 7 + (-1/4) + (-1/2)   = 7 - (1/4 + 1/2)   = 7 - 3/4   = 6 + 1/4   
再问: 我无语了
再答: 回答一位不会得理直气壮的小朋友的问题(刚看走眼了):    (4+2/3) + 3/8 + (-5/6) + (-5/8) + (3+3/4)   = 4 + 3 + [3/8 + (-5/8)] + [2/3 + (-5/6)]   = 7 + (-2/8) + (-1/6)   = 7 + (-1/4) + (-1/6)   = 7 - (1/4 + 1/6)   = 7 - 5/12   = 6 + 7/12
再问: 对不起错了。  是 (﹣4+2/3) + 3/8 + (-5/6) + (-5/8) + (3+3/4)
再答:    (-4+2/3) + 3/8 + (-5/6) + (-5/8) + (3+3/4)   = -4 + 3 + [3/8 + (-5/8)] + [2/3 + (-5/6)]   = -1 + (-2/8) + (-1/6)   = -1 + (-1/4) + (-1/6)   = -1 - (1/4 + 1/6)   = -1 - 5/12   = -(1 + 5/12)
 
 
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