8..problema zice 2/10 sunt rosu
2/10+1/10=3/10 albastru
2/10+3/10=5/10 galben
2/10+3/10+5/10=10/10....adica 1 intreg
9.
2+3/4=4/4+4/4+3/4=11/4-------este o fractie supraunitara
1+3/5=5/5+8/5=13/5
3/10+2=3/10+10/10+10/10=23/10
4/9+3=4/9+9/9+9/9+9/9=31/9
2/6+1+1/6=2/6+6/6+1/6=9/6
11.
1/2+2/4=1/2+1/2=2/2=1
1/4+2/8=1/4+1/4+1/4=3/4
1/3+2/6=1/3+1/3+1/3=3/3=1
1/2+5/10=1/2+1/2+1/2+1/2+1/2+1/2=6/2=3
4/8+1/2=1/2+1/2+1/2+1/2+1/2=5/2
