2.
a)
12 divizibil cu x
x={1,-1,2,-2,3,-3,4,-4,6,-6,12,-12}
A={1,-1,2,-2,3,-3,4,-4,6,-6,12,-12}
b)
x divide 18
B={1,2,3,6,9,18}
c)
|x-1|<3
-3<x-1<3 |+1
-2<x<4
C={-1,2,3}
d)
-18<x≤2
x={-17,-16,...0,1,2}
Dar x este divizibil cu 2
D={-16,-14,-12,...,2}
e)
-19<2x-1<19 |+1
-18<2x<20 |:2
-9<x<10
x={-8,-7,...,0,1,2,...,9}
Dar -3 divide x
E={-6,-3,..,9}
f)
x+2={-13,13,-1,1}
x={-15,11,-3,-1}
F={-15,11,-3,-1}
Un alt exercitiu gasesti aici: https://brainly.ro/tema/1309059
#SPJ1
