Question

determinati multimea A={x apartine Z | ( x-4)/2<x<=5-x}

Answer 1

(x-4)/2<x<5-x   inmultim cu 2
x-4<2x<10-2x   scadem x
-4<x<10-3x
-4<x

4x<10
x<5/2
x<2,5

A={-3,-2,-1,0,1,2 }

O sseara buna!