Question

Scrie fiecare fractie ca o diferenta de doua fractii: 3 supra 4,2 supra 5,4 supra 9,10 supra 13,19 supra 25.Gaseste cel putin 2 fractii pentru fiecare caz.

Answer 1

4/4 - 1/4 = 3/4        
4/5 - 2/5 = 2/5    5/5 -3/5 = 2/5
8/9 - 4/9 = 4/9     9/9 - 5/9 = 4/9     7/9 - 3/9 = 4/9    6/9 - 2/9 = 4/9   5/9 - 1/9 = 4/9
13/13 - 3/13 = 10/13        11/13 - 1/13 = 10/13    12/13 - 2/13 = 10/13   
24/25 - 5/25 = 19/25      25/25 - 6/25 = 19/25    20/25 - 1/25 = 19/25  21/25 - 2/25=19/25
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