Question

Tìm x biết 

a.0<x<5          c.6 x >       e.-3≥x

b.-4<x<0          d.x≤ 0

Answer 1

BS: \(x\in \mathbb{Z}\)

\(a,\Rightarrow x\in\left\{1;2;3;4\right\}\\ b,\Rightarrow x\in\left\{-3;-2;-1\right\}\\ d,\Rightarrow x\in\left\{-1;-2;-3;...\right\}\\ e,\Rightarrow x\in\left\{-4;-5;-6;...\right\}\)

Answer 2

a.\(x\in\left\{1;2;3;4\right\}\)
b.\(x\in\left\{-3;-2;-1\right\}\)