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a fost răspuns

(35:5 ) (45: 9) + ( 72 : 8) =
(24 :6:4) + (63: 7) + (14 x 2 x 6) – (9 x 8) =
(7 x 7) + (7 + 79) + (7 – 7) + (7 : 7) =
(4 x 11+ (4 x 22) - (6 x 8 - 21) + (145 + 42:6)
(84 – 8 x 8): 5+ (3 x 6:2 + 17 x 5) =
171​