(4+2/3) + 3/8 + (-5/6) + (-5/8) + (3+3/4)
　　= 4 + 3 + [3/8 + (-5/8)] + [2/3 + (-5/6)]
　　= ……大哥，你這是什么寫到這一步了，相信你能接著算出來(lái)，難道不行嗎？我不會(huì)啊，所以我才問(wèn)嗎，我要的是全部回答一位不會(huì)得理直氣壯的小朋友的問(wèn)題：(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　　我無(wú)語(yǔ)了回答一位不會(huì)得理直氣壯的小朋友的問(wèn)題（剛看走眼了）：　　 (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對(duì)不起錯(cuò)了。　是 (﹣4+2/3) + 3/8 + (-5/6) + (-5/8) + (3+3/4)　　　(-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)