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Efectueaza impartirile.Exprima rezultatul sub forma de fractie ireductibila
a)25/32: 15/24 b)51/26:84/91 c)117/42: 198/119


Răspuns :

a) 25/32 : 15/24 = 25/32 * 24/15 = 25/32 * 8/5 = 5/4

b) 51/26 : 84/91 = 51/26 * 91/51 = 51/26 * 13/12 = 17/2*1/4 = 17/8

c) 117/42 : 198/119 = 39/14 * 119/198 = 13/2*17/66 = 221/132