ex 13
1).
Aflam cate bucati a mancat din tort priteni si sarbatoritul.
10•2=5
Aflăm câte fete sunt.
10-5=5
5:1=5
acuma e bun 1/10
ex
14
cele rele=a,
di cele bune=b,c,d
sper ca te-am ajutat macar atat
ex 15
5/6=1/6+2/6+2/6=5/6
4/9=1/9+1/9+2/9=4/9
6/9=2/9+2/9+2/9=6/9
8/10=3/10+3/10+2/10=8/10
1/6=1/6+0/6=1/6
sper ca te-am ajutat!!!
