(33/2+1/5)+(2/3-12/17)-(1/5+5/17) (简便计算)

学习 时间:2026-08-23 13:21:13 阅读:82
(33/2+1/5)+(2/3-12/17)-(1/5+5/17) (简便计算)

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2026-08-23 13:21:13

(33/2+1/5)+(3/2-12/17)-(1/5+5/17)=33/2+1/5+3/2-12/17-1/5-5/17=(33/2+3/2)-(12/17+5/17)=18-1=17 再问: (2/3+1/5)+(2/3-12/17)-(1/5+5/17) (简便计算)对不起,我发错了 再答: (2/3+1/5)+(2/3-12/17)-(1/5+5/17) =2/3+1/5+2/3-12/17-1/5-5/17 =(2/3+2/3)-(12/17+5/17) =4/3-1 =1/3

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  • 爱笑的蜻蜓
    回复
    2026-08-23 13:21:13

    (33/2+1/5)+(3/2-12/17)-(1/5+5/17)=33/2+1/5+3/2-12/17-1/5-5/17=(33/2+3/2)-(12/17+5/17)=18-1=17 再问: (2/3+1/5)+(2/3-12/17)-(1/5+5/17) (简便计算)对不起,我发错了 再答: (2/3+1/5)+(2/3-12/17)-(1/5+5/17) =2/3+1/5+2/3-12/17-1/5-5/17 =(2/3+2/3)-(12/17+5/17) =4/3-1 =1/3

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