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Se dau fractiile:7/25,4/10,0/15,8/18,20/50,10/25,14/35. Care diintre ele sa obtin prin amplificare frectiei 2/5 si cu ce numar??

Răspuns :

7/25,4/10,0/15,8/18,20/50,10/25,14/35.

2/5⁽² = 4/10

2/5⁽¹⁰ = 20/50

2/5⁽⁵ = 10/25

2/5⁽⁷ = 14/35