一元一次不等式计算题专项练习一、解下列不等式1
8223xx 2
xx49233
2x-19 <7x+31 . 4.-2x+1 >0; 5.x+8 ≥4x-1; 6
)1(5)32(2xx7
0)7(319x 8
3(2x+5)<2(4x+3); 9 10-4(x-3) ≤2(x-1) 10
)1(281)2(3yy11.2(x-4)-3<1-3(x-2)12
1213mm13
31222xx 14
223125xx二 、解下列关于 x 的不等式组15
145321xxxx , 16314,22
512 ,324
xxxx 1821,241
xxxx19
3(1)5412123xxxx ①≤ ②20356634)1(513xxxx21251,3311
48xxxx22
324,121
3xxxx23
253(2)123xxxx 24.
3212112)2(31xxxx25
0≤523x ≤1
26.-1<213x≤427
312643xx, 28
153xx≤,(29)x-5 2x+1 (32) -2x+3 >-3x+1 (33) 2x > 3+1 (34) –2x ≤-28 (35) 2x > -1 36
7x>2+12 37
2x -10,y>0 49
7x+54x-1 51
10(x+4)+x ≤6452
20x550 55