Răspunsuri

2014-10-29T21:58:37+02:00
A)-14+4=-10
b)(-18-11)-20=-29-20=-49
c)19-13+3-19=-10
d)-28-17-12+17=-40-17+17(-17 cu +17 se reduc si ramane -40
7 3 7
2014-10-29T22:01:36+02:00
A)    -14+4= -10
B)   -29+(-20) = - 49
C)   6+3+(-19) = 9+(-19) = - 10
D)  - 45 + (-12) + 17 = - 57 + 17 = - 40