GRAFIC:
trandafiri I--I 16768
frezii I--I--I--I--I--I--I--I--I--I
Cat reprezinta 8 parti egale? frezii-trandafiri=16768
Cate fire de trandafiri sunt? 6768:8=2096
Cate fire de frezii sunt? 2096x9=18864
V:18864-2096=16768
ALGEBRIC:
a=frezii
b=trandafiri
a-b=16768
a:b=9⇒a=9b
9b-b=16768⇒8b=16768⇒b=6768:8=2096
a=9x2096=18864
V:18864-2096=16768