👤

9. Calculaţi: a) (-4)73: 2¹44 - 25¹2:523; c) {(−2)² + [(−2)²]⁹5 : [(-2)⁹4]²} : 8; e) {(-5)74 : [(-5)³ (-5)7⁰]}: {[-5+ (-5) - 102]: 103}; f) −[(-2) ¹⁰ : (+4)³ – 5³ - 3³]: (26:4-15³). b) [(-3)²-(-3)87: (-3)85]: 5; d) 5²+ [(-2)7-25-(-3)2] : [9-(-4)²-5];​