初二数学一元一次不等式专项练习题 19.docx

1、初二数学一元一次不等式专项练习题 197x1 6x8 x5 6x6 1 6 5 5 5 x182x30 4(7x9)5(4x22) 3x5 x4 x6 9x1 5 4 7 8 8 5x279(4x21) x5 3x8 4x5 7x6 2 8 4 5 6 7x156x10 4(9x6)9(10x21) 5x9 9x9 5x4 3x2 1 6 8 4 4 9x228x3 8( x8)7(10x30) x8 x1 5x4 x8 1 8 8 6 5 x274x7 8(5x10) 5 4 6 4 3 3x146x20 6( x3)3(10x5) x6 8x9 9x5 x6 5 3 7 8 4 x207(

2、8x9) 3x9 6x9 2x4 x1 8x16 6(3x1) 1 8 6 3 5 9x84x30 4(3x5) 4 7 7 7 3 3x18x2 8(9x8)9(2x19) x5 x5 x5 4x6 3 5 3 8 3 5x57(10x10) 6x4 8x3 3x9 4x5 3 5 7 4 3 3x196x20 4(9x9) 3 8 6 5 7 5x159(4x20) x3 x7 x6 5x3 2x29 4(9x7)5(8x1) 4x8 x1 x3 x2 8x18 8(5x10)3(10x24) x9 x6 x1 7x6 6 6 4 3 6 9x124x4 6(9x4) 3 5 8 7 7

3、9x235(6x5) x8 7x4 4x9 3x7 1 3 8 5 4 x162x20 6(9x10)5(6x30) x7 6x2 5x1 4x2 6 3 7 6 3 7x239(4x23) x7 x2 x6 5x1 5 7 4 8 6 x95(4x25) x5 4x6 2x8 5x9 6 8 3 3 4 3x125(6x24) 4x9 4x2 7x1 x7 1 5 5 8 4 7x138x27 6(7x5)7(8x18) 4x5 x9 5x5 8x7 5 3 4 4 7 3x2910x6 4(3x8) 2 6 7 7 8 x104x12 6(3x4)7(6x2) 6x9 2x7 x2 9x7

4、 2 7 3 4 8 9x45(2x24) 5x8 6x8 x1 x4 6x30 8(3x1) 6 8 5 5 3 7x143(2x7) 6x5 5x6 x1 x6 2 5 4 7 7 7x63(10x18) 5x7 5x5 7x6 x2 10x15 4( x2)7(2x5) x3 2x1 8x2 6x7 3 7 3 7 7 7x224x9 2(9x7) 6 8 4 5 6 5x76x10 6(3x4) 4x23 4(7x2) 5 5 3 7 5 3x82x13 6(9x4)7(2x6) 6x9 6x6 4x6 7x3 1 5 5 3 8 3x156x28 2(9x5)5(10x22) 9x2

5、 x6 x6 5x6 1 8 5 5 6 9x1010x17 2(5x2)3(4x4) x3 5x4 6x3 6x2 8x17 6(7x1) 4 4 4 7 7 3x156x6 4(3x8)9(4x23) 6x6 9x6 3x1 x1 2 7 8 4 4 x23(10x2) 9x7 x6 3x1 x3 6 8 3 4 4 5x182x9 4(5x1)3(4x22) 2x9 x2 x7 x8 4 3 7 8 6 3x97(8x17) 7x3 5x2 6x2 2x8 1 6 4 7 3 9x267(10x12) 6x5 x5 8x3 x3 10x5 8(5x2)3(4x30) 4x7 4x1 5x

6、3 2x9 6 3 5 6 3 5x253(4x5) 2x4 3x4 5x9 7x6 3 3 4 6 8 7x74x23 4(9x8) 8x13 8(7x9) 4 6 3 7 7 5x266x13 2(7x2) 10x27 8(7x2) 4x30 6(9x10) 5 8 5 7 8 7x94x6 8(9x5) 10x28 2(5x6)5(8x2) 9x1 x1 4x3 3x3 8x17 6(5x2)7(2x7) x7 6x2 2x9 4x7 2x20 2(9x10)3(10x18) 9x4 x4 7x8 x6 5 8 3 6 5 3x73(6x29) x7 6x2 5x3 5x7 6 7 7

7、6 4 9x64x28 2(7x7) 6 4 8 7 8 5x264x5 4(5x10)7(8x19) 5x5 7x3 x5 x3 3 6 6 4 5 3x2510x9 4(3x5)5(6x6) x7 4x8 4x2 7x2 8x11 8(5x5) 10x23 4( x8)3(2x20) 7x1 x7 x2 5x4 5 6 3 3 6 5x610x26 8( x7)7(10x3) 7x1 6x6 x8 7x2 8x4 8(9x10)7(2x22) 5x7 4x3 2x2 6x2 1 4 3 3 5 7x299(6x25) x9 x2 x4 x7 6x21 6(5x4) 2 6 3 6 5 3x

8、2010x5 4(7x6)9(8x1) 5x9 7x6 x7 5x2 3 6 8 8 4 3x153(2x14) x3 3x3 x9 6x7 1 6 4 5 5 7x56x9 2(5x3)9(8x14) x6 x3 7x8 8x7 6 7 3 6 7 9x215(10x13) x4 7x7 6x5 x2 6 4 8 7 5 5x182x26 6(7x7) 4 3 5 5 7 x167(6x16) 4x9 4x2 6x5 x6 10x22 4(7x6)9(2x11) x9 2x3 2x9 x7 5 4 3 3 8 3x173(10x10) x2 4x2 x1 2x7 2 3 3 6 3 3x206x13 2(9x8)5(4x24) 7x4 x5 7x3 4x9 4 6 7 8 3 x86x4 6(5x3) 2 4 4 6 6