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Cineva??????????? Va rog

Cineva Va Rog class=

Răspuns :

24/8=12/4=6/2=3

8/24=4/12=2/6=1/3

11/55=1/5

55/11=5

169/13=13

13/169=1/13

20/400=2/40=1/20

400/20=40/2=20