Răspuns:
p=padurari
c=copii
s=stejari
5p...6c...370s
6p...2c...340s /x3
_____________
5p...6c...370s
18p...6c...1020s
________________
13p / 650s
650:13=50 s un p
5x50=250s 5 p
370-250=120s 6 c
120:6=20s 1 c
Verificare:
(5x50)+(6x20)=
250+120=370
Raspuns:
50 stejari a plantat un pădurar,
20 stejari a plantat un copil.