crizanteme |------| 7 fire
tufanele |------|------| 7×2=14 fire
gladiole |------|------|------|------| 7×4=28 fire
Total 49
49:7=7 un segment
Sau algebric
crizanteme=a
tufanele=b
gladiole=c
a+b+c=49
b=2a
c=2b=4a
a+2a+4a=49
7a=49
a=7 crizanteme
b=14 tufanele
c=28 gladiole
