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2014-02-17T19:42:53+02:00
A+b+c=14
2a+b+c=24⇒a=24-14=10⇒b+c=4
(b,c)∈{(0,4);(1,3);(2,2);(3,1);(4,0)}
a·b·c∈{0; 30; 40}
1 5 1