👤

9. Calculaţi: a) 5. [100 - 6. (60 - 15.3)]; c) [90 + 8 . (16.3 - 32)] . 17; d) b) 4. [10: (21 : 5-85) - 93]; d) 8 [25- (78 - 19.4) -35]. . -​