Răspunsuri

2014-09-23T11:38:01+03:00
2x-1 divizorii lui 11
2x-1 apartine {1, 11, -1, -11}
2x-1=1 2x=2 x=1
2x-1=11 2x=12 x=6
2x-1=-1 2x=0 x=0
2x-1=-11 2x=-10 x=-5
x apartine {1,6,0,-5}