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

学习 时间:2026-06-04 22:34:38 阅读:4355
(33/2+1/5)+(2/3-12/17)-(1/5+5/17) (简便计算)

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标致的龙猫

认真的花生

2026-06-04 22:34:38

(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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  • 友好的老鼠
    回复
    2026-06-04 22:34:38

    (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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