3
Află fractiile mai mari cu
3/7 decât: 5/7 2/7 4/7 1/7 3/7.

raspuns: 5/7+3/7=8/7
2/7+3/7=5/7
4/7+3/7=7/7
1/7+3/7=4/7
3/7+3/7=6/7