Răspuns :
s+m+f=810 stejar- s mesteacan- m fag- f
s+m=422
m+f=644
m,f,s=?
f=644-m
s=422-m
422-m+m+644-m=810
-m=810-644-422
-m=-256/*(-1)
m=256
f=644-256=388
s=422-256=166
V:256+388+166=644+166=810
s+m=422
m+f=644
m,f,s=?
f=644-m
s=422-m
422-m+m+644-m=810
-m=810-644-422
-m=-256/*(-1)
m=256
f=644-256=388
s=422-256=166
V:256+388+166=644+166=810
s+m+f=810
s+m=422
m+f=644
s,m,f=?
422+m=810
m=810-422
m=388 mesteacan
s+644=810
s=810-644
s=166 stejar
166+388+f=810
554+f=810
f=810-554
f=256 fag
proba,
166+388+256=810
s+m=422
m+f=644
s,m,f=?
422+m=810
m=810-422
m=388 mesteacan
s+644=810
s=810-644
s=166 stejar
166+388+f=810
554+f=810
f=810-554
f=256 fag
proba,
166+388+256=810