埃及分数 题目
1/()+1/()+1/()+1/()+1/()+1/()=1过程,谢谢了速度!!()不能为相同数,不好意思……...
1/()+1/()+1/()+1/()+1/()+1/()=1
过程,谢谢了 速度!!
()不能为相同数,不好意思…… 展开
过程,谢谢了 速度!!
()不能为相同数,不好意思…… 展开
5个回答
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此题可能有不止以下2解:
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
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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原式=6×1/()=1
=6/()=1
所以( )里应该为6
=6/()=1
所以( )里应该为6
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1/(6)+1/(6)+1/(6)+1/(6)+1/(6)+1/(6)=1
6个1/(6)相加等于1
6个1/(6)相加等于1
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1/3+1/4+1/6+1/9+1/12+1/18=1
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2022-06-07 · 知道合伙人能源行家
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解不是惟一的,用公式1/n=1/(n+1)+1/[n(n+1)]连续做几次就可以了。
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