Naloga
Dopolni naslednje račune.

(a+2)·(b+3)=ab+3a+2b+
(x+1)·(x+3)=x2+ +x+3=x2+ +3
(x+y)·(x+3)=x2+ + yx+3y

  

© E-um 2008
© E-um 2008
© E-um 2008