Find the number of triples $(a,b,c)$ of positive integers, such that $1 \le a,$ $b,$ $c \le 100,$ and
\[a^2 + b^2 + c^2 = ab + ac + bc.\]
Question:
Find the number of triples $(a,b,c)$ of positive integers, such that $1 \le a,$ $b,$ $c \le 100,$ and
\[a^2 + b^2 + c^2 = ab + ac + bc.\]
Answer:
Let's think step by step.

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100
Find the number of triples $(a,b,c)$ of positive integers, such that $1 \le a,$ $b,$ $c \le 100,$ and
\[a^2 + b^2 + c^2 = ab + ac + bc.\]
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