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a fost răspuns

1. Calculaţi: a) 2³-25:20; d) 2" : (2²)³; g) (1+2-2²-25): (2²+1); h) [(3¹)" : 3"-56]: 5; b) (2³)4 : 2¹0; e) 3²¹ : 35²; c) (29)³ : (2³); f)(4+ 2192: 2188): 5; -56]: 5; i) 86: (2-24-210)³-2¹-20​