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  • 1/()+1/()+1/()+1/()+1/()+1/()=1

    1/()+1/()+1/()+1/()+1/()+1/()=1
    ()不能為相同數(shù),不好意思……
    數(shù)學(xué)人氣:314 ℃時間:2020-04-11 12:34:58
    優(yōu)質(zhì)解答
    此題可能有不止以下2
    1=1/6+5/6
    =1/6+15/18
    =1/6+1/18+14/18
    =1/6+1/18+7/9
    =1/6+1/18+1/9+6/9
    =1/6+1/18+1/9+2/3
    =1/6+1/18+1/9+8/12
    =1/6+1/18+1/9+1/12+7/12
    =1/6+1/18+1/9+1/12+3/12+4/12
    =1/6+1/18+1/9+1/12+1/4+1/3
    1=1/7+6/7
    =1/7+36/42
    =1/7+1/42+35/42
    =1/7+1/42+5/6
    =1/7+1/42+25/30
    =1/7+1/42+1/30+24/30
    =1/7+1/42+1/30+4/5
    =1/7+1/42+1/30+16/20
    =1/7+1/42+1/30+1/20+15/20
    =1/7+1/42+1/30+1/20+3/4
    =1/7+1/42+1/30+1/20+1/4+2/4
    =1/7+1/42+1/30+1/20+1/4+1/2
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