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3/20-1/40
7/9-1/36
Va rog Imi trebuie urgent


Răspuns :

3/20 - 1/40 = 6/40 - 1/40 = 5/40 = 1/8 

7/9 - 1/36 = 28 /36 - 1/36 = 27/36 = 3/4