Răspunsuri

2014-10-30T14:08:11+02:00
(-4)+(-2)=-6 (-10)+(-2)=-12 -3+(-9)=-11 (-13)+(-7)=-20
2014-10-30T14:08:49+02:00
(-4)+(-2)=-6
-10+(-2)=-12
-3+(-8)=-11
-13+(-7)=-20