人教版七年级数学下册解一元一次不等式专项练习 209.docx

1、人教版七年级数学下册解一元一次不等式专项练习 2092x7 4x8 x8 x3 5 3 5 7 3 x12x21 8( x4) 1 3 3 7 5 7x153(8x17) 5x1 x8 x2 7x5 5 4 7 6 6 x289(4x16) x2 6x2 x2 2x1 2 3 5 7 3 9x162x12 4(7x6)7(8x11) 3x5 x5 8x9 x1 6x4 4(5x8) 1 4 3 8 7 9x299(10x2) x3 7x8 8x6 x8 1 8 6 7 5 x108x15 4(3x8)7(8x17) x8 6x8 4x4 2x2 5 6 7 3 3 7x95(6x7) 9x5

2、x3 x3 6x4 2x28 6(3x5) 2x13 6(5x3) 10x7 6( x3)7(8x26) x6 x3 x5 x3 3 4 8 4 5 7x219(10x7) 2x9 x7 3x1 4x6 1 3 4 4 5 5x76x15 6(9x5)3(10x15) x1 x3 x4 4x6 5 6 7 4 3 9x113(8x22) 4x4 4x9 x1 7x7 4 3 5 4 6 7x112x4 6(7x1) 2x24 4(7x5)9(2x15) 6x5 4x8 3x5 x2 3 7 5 4 4 7x209(4x29) 8x2 8x1 6x7 4x8 3 7 7 7 5 9x109(10

3、x14) 2x2 x6 x8 9x9 8x1 4( x9)7(6x8) 5x4 x4 2x9 5x8 4 6 3 3 4 7x99(8x18) 7x3 x8 5x1 7x1 1 8 3 6 6 5x96x12 6(3x10)7(2x23) x1 3x4 5x5 8x6 1 5 4 6 7 7x54x26 4(3x7)3(2x18) 7x2 x2 6x6 2x9 1 8 7 7 3 x37(6x5) x7 5x4 x7 x2 5 7 4 4 8 3x72x20 4(3x9) 3 7 6 4 6 5x248x4 8(7x7) 4x19 4(9x1)3(2x19) 4x3 x1 5x6 7x9 6x

4、14 4(9x3)3(2x21) 2x2 9x8 5x3 x5 6 3 8 4 4 9x208x8 4(9x2) 1 5 7 8 4 x132x7 4(3x1)9(6x19) x8 9x6 x6 x3 6 3 8 6 3 5x246x8 8(3x6) 6 5 4 7 6 5x24x16 2(3x1) 4 7 6 8 4 7x710x2 8(5x8) 2 5 8 4 6 7x102x5 6(9x7) 2 8 6 7 5 7x52x4 6(7x2)9(10x11) x2 x2 x1 7x4 1 5 8 8 6 3x73(8x3) 7x7 5x9 9x9 5x8 5 6 6 8 6 9x62x28

5、2(5x6) 2 4 7 7 8 3x294x8 4(3x10)3(8x4) x8 2x1 5x2 9x5 6 7 3 4 8 7x85(8x2) 6x8 x6 5x3 x1 4 7 5 6 6 5x25(10x26) 6x6 9x9 x7 x9 6 5 8 8 6 7x215(2x9) x8 x6 2x7 x3 8x20 4(3x1) 8x3 6(3x2)7(10x5) 2x1 x8 2x9 x1 4 3 5 3 7 9x98x3 4(9x10) 6 4 4 3 5 5x223(2x19) 7x7 x9 x2 2x7 4 8 8 8 3 5x198x24 8( x1)5(6x12) 2x9 6x3 7x1 7x5 5 3 7 8 6 5x249(6x11) 3x8 x3 6x4 x3 3 4 5 5 5 x303(6x13) 5x4 7x3 3x8 7x3 3 4 6 4 8