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8 x (3/4 - 5/8 - 7/2)

Răspuns :

24/4 - 40/8 - 56/2 = 6-5-28 = -27
8 x (3/4 - 5/8 - 7/2) =8 x (6/8  - 5/8 -28/8)= 8 x (- 28/8)= -28