1. Suma a trei numere este 176. Al doilea numar este cu 28 mai mare decat al treilea, iar primul este egal cu diferenta acesteia. Aflati cele trei numere.
2. Trei saci cu grau cantaresc la un loc 208 kg. Cat cantereste fiecare, daca primii doi au aceeasi greutate, iar al treilea are cu 16 kg mai mult decat primul?
3. Suma a trei numere este 340. Suma primelor doua numere este mai mare decat suma ultimelor doua cu 80, iar al doilea numar este cu 50 mai mare decat al treilea numar. Care sunt numerele?
4. Suma a trei numere impare consecutive este 303. Aflati numerele.
Va rog frumos rezolvare pentru clasa a - 3 - a dau 24 de puncte!
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