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Albert
Well-known member
- Jan 25, 2013
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$A=\overbrace{ 11-------1 }^{m}\underbrace{ 22-------2 }_{m}$
prove :$A=k\times (k+1),\,\, where\,\, k\in N$
(A can be expressed as the multiplication of two consecutive positive integers)
prove :$A=k\times (k+1),\,\, where\,\, k\in N$
(A can be expressed as the multiplication of two consecutive positive integers)
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