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4. Calculaţi: a) 5-7²-3². {2²-33-2-[23.3²-5-(34-5²-3)]}; b) 3² +2².5 {52 +23. [3-22+ (2²-5²-26)]}; c) 360: {3-2²+2 [3 2³+ (12+3.4²): 2²]} + 60; ● d) 360: {2³+2 [2·3² + (14+25²): 2³]} +40. ●​

4 Calculaţi A 573 233223353453 B 3 25 52 23 322 2526 C 360 322 3 2 1234 2 60 D 360 22 23 1425 2 40 class=