解不等式组4X-X^2≥3
问题描述：
解不等式组4X-X^2≥3
答
1
答
4x-x^2≥3
4x-x^2-3≥0
x^2-4x+3≤0
(x-3)(x-1)≤0
1≤x≤3
答
4X-X^2≥3
x^2-4x+3≤0
(x-1)(x-3)≤0
1≤x≤3