Răspuns :
5/6=1/6+2/6+/2/6=5/6
4/9=1/9+1/9+2/9
6/9=2/9+2/9+2/9(A)
8/10=3/10+3/10+2/10
1/6=1/6+0/6+0/6
sucees
4/9=1/9+1/9+2/9
6/9=2/9+2/9+2/9(A)
8/10=3/10+3/10+2/10
1/6=1/6+0/6+0/6
sucees