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Scrie fractiile urmatoare ca diferenta de doua fractii 5/5 6/6 4/4 7/7 9/9 11/11 15/15

Răspuns :

5/5   =   6/5 - 1/5
6/6   =   7/6 - 1/6
4/4   = 10/4 - 6/4
7/7   = 15/7 - 8/7
9/9   = 11/9 - 2/9
15/15 = 20/15-5/15