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7 supra 6 minus 5 supra 3



Răspuns :

7/6 - 5/3 = 7/6 - 10/6 = - 3/6 = - 1/2
7/6 - 5/3 = 7/6 - 10/6 = (7-10)/6 = - 3/6 = -1/2