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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​


A Ax 2 40 23 12 B A 2 123 X 3 53 X 4 257 C Aaaax 0 56 D 2 X 111 5 5x4 7 4 X A 76 E 9x 34x 15 6a 18 81 A 31 6 489 25 2 26 G A 54 3 260 2 1 H 800 425 13 48 4 89 A class=