Efectuați calculete: a) [62+8. (24-24:4.3):50 b 120: 5+ 45:3. [265- (30+20): 25-6510 c) 2512 : (143-135)-(360:3-225:15):7= d) 6048:12:9 + (714:8-4) 6 e) 15. (161:7-19) + (31+390: 26): 23= 1.​