一元一次不等式(组)计算题专项练习(50道) 一、解下列不等式. 1. 3x22x8 2. 32x94x 3. 2x-19<7x+31. 4.-2x+1>0; x512x,2x1x,3. 4 3x24x.x24x1. 3(x1)5x4 ①3x15(x1)5.x12x1 6 465x 5.x+8≥4x-1; 7. 193(x7)0 9 10-4(x-3)≤2(x-1) 11.2(x-4)-3<1-3(x-2) 13. 2x22x13 二 、解下列关于x的不等式组 1. 12x3x , 25x4x1 6. 2(2x3)5(x1) 8. 3(2x+5)<2(4x+3); 10. 3(y2)182(y1) 12. m3m121 14. x5213x22 3x14,2xx2. ≤ 23 723x51x,31 x14x8. 2x53(x2)9x1x 23 11.0≤32x5≤1. ② 3x63 x3x2 8.4,12x 3x1. 1 10.3(x2)2x1x112x23.12.-1<3x12≤4 三、 解下列不等式(组),并在数轴上表示出它们的解集. 12x3x3x14(14) (15) (1)1(x1)12x (2) 1[x1(x1)]223225(x1) (3) 3(x1)x18234 (4) 0.4x0.90.030.02.xx50.50.032 ⑸.2x1x5432x. (6)3(y2)182(y1) (7)mm1321 5x3(1)(8) 2x22x1x52x3 (9)213x22 (10)3x124(2) 2x73x1,12x (11)x1 (13)123x1 x250. (12).3,4(x1)3x4.4 5x4x12xx2 x512x2x302x3(16)3x24x(17) 3x20 (18) x182x (19)2x53(x2)x1x 32x(20)0≤≤1 235 3x13(x2)45x(21)-1<2≤4 (22) x12x3x1 3(x1)5x4 3x12(x1)(23)x12≤2x13 (24)2(x1)4x 本文来源:https://www.wddqw.com/doc/5f78634af342336c1eb91a37f111f18583d00cd8.html