lalele+zambile+viorele=806 flori
Fie: lalele=x
zambile=y
viorele=z
zambile=2·lalele⇒y=2x
viorele=5·zambile⇒z=5·y=5·2x=10x
lalele+zambile+viorele=806
x+y+z=806
x+2x+10x=806
13x=806 ⇒ x=806/13=62
⇒lalele=62
⇒zambile=2x=2·62=124
⇒viorele=5y=10x=10·62=620