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Afla fractiile cu 2/7 mai mari decat fractiile: 3/5 5/7 4/7 2/7 si 1/7

Răspuns :

2/7+3/5=10/35+21/35=31/35
2/7+5/7=7/7=1
2/7+4/7=6/7
2/7+2/7=4/7
2/7+1/7=3/7