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b) (-5)³ {396-720: [-7+ (6 590 + (-2)²+171-(-5)°| + |(−1)16| – |–1 c) 2. Calculați: a) (-23) +5. [(-1) 2021 + (-1) 2020 +2. b) (-2)101: 299-10 {-3-3 [(-3)5: c) 53. {14 ⋅(-1)³5 + (−1) ³4 – 5 · [5 – 4 Calculaţi: - ) (−1) · (−1)² · (−1)³ . (_1)4 -​