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Efectuati : a)5/7 : 15/42 b)17/150 :34/100 c)11:20 1/6

Dau coroana!


Răspuns :

a) 5/7 : 15/42 = 5/7 x 42/15 = 6/3 = 2

b) 17/150 : 34/100 = 17/150 x 100/34 = 2/6 = 1/2

c) 11 : 20 1/6 = 11 : 121/6 = 11 x 6/121 = 6/11