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a+b+c=64..a+c=38..b+C=42 ...a=?..b=?c=?

Răspuns :

Brot
a+c=38 => 38+b=64 => b=64-38=26
b+c=42 => a+42=64 => a=64-42=22
c=64-a-b => c=64-22-26 => c=16
Verificare: 26+22+16=64 (Adevarat)

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