Răspunsuri

2014-10-29T18:38:28+02:00
2014-10-29T18:38:58+02:00
(a + b) + (b + c) + (a + c) = 1331 +1624 + 1385
a + b + b + c + a + c = 4340
2a + 2b + 2c = 4340 (impartim prin 2)
a + b + c = 2170