1.x+3 > 4 x/2 < 1 2.x-3(x-2) ≤ 41-2x/4 > 2-x3.2(x-1) ≥ 3x+1x/3 < _数学解答

1.x+3 > 4
x/2 < 1
2.x-3(x-2) ≤ 4
1-2x/4 > 2-x
3.2(x-1) ≥ 3x+1
x/3 < x+1/4
4.3x+1>5x+4
1/3x≤ x-2/3

人气：140 ℃　时间：2020-07-01 03:02:55

解答

1.x+3 > 4 x＞1x/2 < 1 x＜2∴1＜x＜22.x-3(x-2) ≤ 4 x-3x+6≤4 -2x≤-2 x≥11-2x/4 > 2-x 4-2x＞8-4x -2x+4x＞8-4 2x＞4 x＞2∴x＞23.2(x-1) ≥ 3x+1 2x-2≥3x+1 2x-3x≥1+2 -x≥3 x≤-3x/3 < x+1/4 4x＜12x+3 4x-...