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Scrieti cate 3 fractii echivalente cu1/4,2/3,3/5,2/10.

Răspuns :

1/4=2/8,3/12,4/16
2/3=4/6,6/9,8/12
3/5=6/10,9/15,12/20
2/10=4/20,6/30,8/40