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Binh nhất
tìm nghiệm nguyên x,y của phương trình sau : 1+x +x2 +x3 +x4 =y2
Edited by nguyentruong1006, 24-01-2016 - 19:49.
Trung sĩ
Edited by Lin Kon, 24-01-2016 - 20:01.
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