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Aratati ca (1/2+1/3):5/6=1

Răspuns :

1/2+1/3=5/6(înmulțim cu 5/6)
3/6+2/6=5/6(aducem la același numitor)
5/6=5/6
1/2 amplificam cu 3=3/6
1/3 amplificam cu 2=2/6
3/6+2/6=5/6
5/6÷5/6=1