1)
67+85=152 margele in total
1 colier = 9+9=18 margele albe si rosii
152:18= 8 rest 8
R: 8 coliere si ii raman 8 margele
2)
73 kg. zmeura
92:4=23 kg. a vandut
73-23=50 kg. raman
50:3=16,(6) kg. face dulceata
50-16,(6)=33,3(3) kg doneaza la doua gradinite
33,(3):2=16,(6) kg primeste fiecare din gradinite in mod egal
3)
135:9= 15 traversari
375:9=41 rest 6 (42 traversari ,in ultima barca sunt 6 persoane)
836:9=92 rest 8 (93 traversari , in ultima barca sut 8 persoane)