Răspunsuri

2014-11-16T11:39:15+02:00
A)x=-5+2=-3
b) y=25-60=-35
c) z=100-2012=-1912

z- multimea numerelor intregi (pozitive sau negative)
2014-11-16T12:07:28+02:00
X-2=-5 a)
x=-5+2
x=-2
b)y-25+60
y=-25-60
y=35
c)z-100=-2012
z=100+2012
z=1912
9 3 9