a) 3( + 1)2 – (2 – 3)(2 + 3)2 + 2(5 + 6);
b) –2(2 – + 1) – 2x( + 1) + ( + 1)2 + 2(2 + 1);
c) 11(2 –3) –(252) :(–5) + (2 + y)2 – 4( + y) – 2(11–14).
Va rog repede
DAU COROANA <