初二数学一元一次不等式专项练习题 90.docx

1、初二数学一元一次不等式专项练习题 903x108x25 4(9x8)9(8x23) 7x1 4x4 9x7 6x5 3 8 5 8 7 9x110x1 8(3x7) 3 3 8 3 7 9x164x13 8(3x3) 2 5 8 3 3 x234x17 6(7x7) 2x26 6(3x3)9(10x8) x9 8x6 x9 x9 6 3 7 5 5 3x182x23 4( x6) 10x19 2(5x9)7(6x3) 9x8 3x5 7x4 7x2 5 8 4 8 8 x274x24 2(7x3) 1 5 4 8 7 3x189(10x28) 5x4 5x9 x8 x2 3 4 4 6 5 3

2、x54x12 4(5x3) 2 8 8 5 6 7x110x25 4(5x4)9(6x22) x1 8x8 7x1 4x9 8x29 4(9x7)5(8x17) 2x1 2x2 2x2 6x2 6x30 8(5x7)9(10x6) 9x3 4x6 6x4 x9 2x28 4(7x5) 2 6 6 5 5 7x310x12 4( x8) 2 6 7 5 6 3x222x20 2(7x6) 6 8 8 5 4 3x282x17 6(7x5)9(10x12) x1 x9 x7 6x5 5 3 3 8 7 3x115(6x15) 2x5 6x4 x4 4x8 1 3 7 5 5 5x2910x2 8(

3、7x4)3(2x30) 5x1 5x6 2x7 6x1 4 6 6 3 7 5x189(6x8) x4 x4 6x2 x6 3 4 7 5 8 5x33(4x30) 9x7 x5 3x9 6x2 1 8 5 4 7 7x127(8x8) 9x8 6x2 2x6 7x9 2x17 4(9x3) 3 4 3 7 7 x102x3 8(9x3)3(2x26) 7x6 x5 9x5 x9 3 8 7 8 4 9x252x23 8(7x1)7(8x24) 4x9 3x6 9x8 x8 4 5 4 8 7 9x23(2x1) x5 6x5 6x4 7x3 1 4 7 7 8 5x1710x18 8(9x5

4、) 4 7 4 7 6 7x68x21 8(3x8)9(2x3) 9x6 5x4 6x3 8x9 5 8 6 5 7 x274x9 4(9x7)3(10x8) x9 x5 x6 5x7 4x4 2(3x7) 4x4 6(3x6) 6 7 7 5 4 5x77(2x28) 6x8 x1 x6 7x8 4 7 8 4 6 7x183(6x29) x6 4x2 6x5 4x5 5 6 3 5 3 5x229(2x11) 2x5 x1 5x1 x7 3 3 4 4 3 x243(4x23) 6x7 9x5 6x9 4x3 3 7 8 5 5 9x47(10x3) 7x6 6x3 5x4 x4 2 6

5、7 4 8 9x2010x7 2(3x5)9(8x5) 5x9 x9 7x7 x7 10x6 8(5x3)9(8x4) x5 3x3 x5 4x2 2 4 4 7 5 x288x27 8(5x8)9(8x27) 4x4 x8 4x9 4x7 2 3 5 3 3 5x124x9 6( x10)5(4x3) x6 7x2 6x5 x8 10x8 8(7x8)9(10x26) x1 7x8 x8 7x4 8x19 2(3x10)5(8x6) 5x1 x2 x4 x8 3 6 4 7 4 3x167(6x19) 3x1 x4 x1 x6 5 4 5 8 5 3x2110x7 2(7x7)3(8x14)

6、 4x1 3x6 2x9 x5 6 5 4 3 6 3x97(8x30) 9x4 4x5 x4 x6 6 8 3 3 3 5x129(6x8) 3x9 9x6 5x5 5x8 6 4 8 4 4 9x1110x20 2(5x3) 5 6 3 3 8 5x239(4x4) 3x6 x6 4x4 2x3 3 4 3 3 3 3x198x18 6(3x10)7(10x23) x5 9x8 9x6 7x6 5 5 8 8 6 7x219(4x21) 9x7 4x9 6x7 x3 2 8 3 7 8 3x188x9 2( x6)7(6x16) x1 4x7 3x9 8x5 3 7 5 4 7 3x234

7、x28 2(7x10) 4 3 8 7 8 5x13(2x26) 4x2 6x2 6x8 x4 1 3 5 7 4 5x246x23 2(5x4)5(2x13) 7x6 4x8 x2 7x1 3 6 3 7 8 9x67(2x6) x8 2x8 5x5 3x7 6 3 3 4 4 9x66x26 6(5x2) 5 7 3 7 5 9x263(8x29) 6x6 2x7 5x4 x7 1 7 3 4 3 3x128x13 8(7x6)5(10x12) 5x1 9x9 7x5 x1 6 6 8 8 7 x142x18 4(7x3)9(6x30) x8 x9 7x8 5x3 1 8 8 8 4 5x

8、308x27 8(5x2) 4x11 4(3x4)3(4x16) 5x7 4x7 x5 4x5 6x23 8(9x10)3(6x21) x9 x5 6x1 8x7 1 7 3 5 7 9x295(6x26) 5x9 x2 x9 x8 3 6 5 3 6 x306x8 8(9x10) 1 7 5 7 5 x164x10 2(3x4)5(6x8) 8x6 7x3 9x1 x6 2 7 6 8 4 x197(10x20) x7 6x9 x4 x2 6 3 5 5 8 5x278x17 2(3x1)3(10x20) x8 6x8 x1 9x1 2 5 5 4 8 9x235(6x15) x2 x2 x2 x8 2x27 4( x2) 3 7 8 7 4 5x26x8 6(7x10) 5 6 5 5 3 9x196x15 6(5x1) 3 5 4 8 5 3x34x13 2(3x5)3(4x12) x7 x7 7x7 x8 2 5 3 6 7 3x148x27 8(5x4)9(8x24)