Cevaplar

2012-10-10T15:25:38+03:00

(+6)+(+2)=8

(-7)+(+3)=-4

(-4)-(-8)=4

(+5)-(-3)=8

0
2012-10-10T15:26:22+03:00

8

-4

4

 :):):):):):):):):)

0