Tìm các số nguyên dương $q,p,r,n$ thỏa mãn: $(q-p)(q+p+1)=(p-r)(p+r+1)=5n^2$.
Tìm $p,q,r,n \in \mathbb{Z^+}$ thỏa mãn $(q-p)(q+p+1)=(p-r)(p+r+1)=5n^2$
Started By Idie9xx, 05-03-2013 - 16:37
#1
Posted 05-03-2013 - 16:37
- Zaraki, ducthinh26032011, LNH and 3 others like this
$\large \circ \ast R_f\cdot Q_r\cdot 1080\ast \circ$
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