a) 3 [5+ 2² (130+ 1¹3 +014) (24-23)] b) 13 [(32)²-152:25]: 18+18 mun c) (27+45): (3+15) d) [(3³)2 +218: 210-25]: [(32)³ +215: 27-54 e) [75. (34) 5. (116)²] : [75. (3¹0) 2. (11³)4] f) [28.5612: [54.251³ g) (3²-2³)². (85:47)² oton​