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MATH / Find the number of triples (a,b,c) of positive integers, such that 1≤a, b, c≤100, and a²+b²+c²=ab+ac+bc. · Discussion

Discussing Find the number of triples (a,b,c) of positive integers, such that 1≤a, b, c≤100, and a²+b²+c²=ab+ac+bc. · MATH

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