Răspuns :
7/8=4/8+3/8
7/8=2/8+4/8+1/8
verificare
4+3=7
2+4+1=7
6/9=2/9+4/9
6/9=1/9+2/9+3/9
verificare
2+4=6
1+2+3=6
7/8=2/8+4/8+1/8
verificare
4+3=7
2+4+1=7
6/9=2/9+4/9
6/9=1/9+2/9+3/9
verificare
2+4=6
1+2+3=6