ex 12)
19 * 3 + 19 = 57 + 19 = 76 jeleuri avea la inceput
sau
jeleuri: /_______/_______/_______/_______/
|______________________| 19
3 sferturi colegilor
19 x 4 = 76 jeleuri a avut la început
ex 11)
o paine=3 cornuri
2 paini+4 cornuri=10 lei
2*3 cornuri+4 cornuri=10
6c+4c=10
10c=10
1 corn=1 leu
1 paine=3*1=3 lei
3 paini=3*3=9 lei
5 cornuri=5*1=5 lei
9+5=14 lei