67.
468+215=683 vaze si cosuri
468+143=611 urcioare
611+683+273=1567 in total
68.
In prima zi
123km
In a doua zi
123km+28km=151km
In a treia zi
151km-142km=9km
Distanta ramasa:
9km+151km+123km=283km
69.
In prima zi
262
In a doua zi
262-16=246
In a treia zi
262+42=304
In a patra zi trebuie sa sticluiasca
304+246+262=812
1054-812=242(trebuie sticluite in a4a zi
