a) (ax 2 - 40) : 23 = 12
b) a : 2 + (123 x 3 - 53 x 4) = 257
c) a:a+a-ax 0 = 56
d) 2 x 111 - 5- [5x4+ (7 + 4) x a] = 76
e) 9x [3+4x (15 + 6×a): 18] = 81 [(a: 3-1): 6 + 489]: 25 + 2 = 26
g) (a: 5-4): 3 - 260 : 2 = 1 h) 800 [425 - 13 × (48: 4) - (89 + ax 4)] = 10
CAT DE REPEDE AM NEVOIE DE TOATE PANA LA ORA 11 VA ROG
