fig. 1
21kg-7kg=14kg ramase
14kg:7kg=2 saci in plus de cate 7 kg
in total 3 saci cu 7 kg fiecare
fig. 2
16kg-4kg=12kg
12kg:4kg=3 saci in plus de cate 4 kg
in total 4 saci cu 4 kg fiecare
fig. 3
18kg-9kg=9kg ramase
9kg:9kg=1 sac in plus cu 9 kg
in total 2 saci cu 9 kg fiecare
fig. 4
9kg-3kg=6kg ramase
6kg:3kg=2 saci in plus de cate 3 kg
in total 3 saci cu 3 kg fiecare
