人教版七年级数学下册解一元一次不等式专项练习 260.docx

1、人教版七年级数学下册解一元一次不等式专项练习 2609x232x2 4(3x1)7(6x3) 9x8 x3 x2 7x5 2 8 8 8 6 3x282x10 6(9x7) 4 8 3 5 5 3x103(8x16) x9 2x1 8x6 6x7 8x16 6( x9) 4 6 6 8 3 7x222x13 2(3x1)7(10x23) 2x7 2x6 6x7 6x4 10x12 4(9x2)3(10x23) x3 x9 6x8 x6 2 5 8 7 6 x36x26 4(5x1)3(8x3) x6 2x3 x1 x3 4 3 3 5 3 9x39(6x27) x9 3x1 7x8 x3 5

2、3 4 8 6 9x1110x13 8(7x9)3(6x26) 3x3 8x4 6x3 5x6 2 4 7 7 4 5x68x20 2(3x6) 6 7 5 8 4 5x2310x9 6(7x10)7(4x4) 4x2 x4 x6 x2 4x1 4(5x5) 3 3 4 6 7 x14x24 8(5x5) 1 4 6 5 8 7x106x2 8(5x2)5(4x9) 7x1 x7 8x4 6x2 5 8 5 7 5 x286x11 8( x9) 2 4 7 4 4 3x274x21 2(3x6)5(8x3) 4x8 2x8 3x1 x8 5 3 3 4 8 7x222x15 2(9x3) 2

3、3 8 7 3 x136x30 2(7x7) 6 3 7 3 8 x152x13 6( x1)7(10x30) x7 x1 x5 x6 2x17 8( x10)3(8x9) 4x9 9x9 x7 4x3 6 3 8 3 5 5x154x26 8(3x10) 4x15 8(7x3) 6x1 4(5x8)3(4x10) x1 9x6 x2 2x9 10x25 2(5x10)3(6x18) 7x8 x3 x8 x1 2x15 4( x3)5(10x6) 6x7 5x9 x1 4x9 5 5 6 6 3 9x302x9 6(7x2)9(4x11) x8 x8 5x8 5x8 6x30 8(7x6)9(

4、6x19) 6x4 x3 x9 2x5 5 7 5 5 3 7x510x2 6(3x2)9(8x26) 2x8 x4 x1 x6 5 3 7 7 4 7x78x13 2(3x8)9(8x15) x1 x5 8x4 9x4 6 6 7 7 8 7x106x28 6(7x8)3(10x8) 7x6 7x7 x3 x2 10x13 2(5x7)3(8x18) x3 x5 6x5 4x3 6 3 7 5 3 9x1810x23 4(7x9) 1 4 5 3 5 7x2910x16 8(9x7)9(2x26) x4 8x9 x6 5x5 3 6 7 5 4 x2310x13 2(7x10) 1 5 8

5、7 7 x52x19 2(7x3) 10x8 4( x4)3(10x6) x9 x4 5x6 7x2 4 5 5 4 8 x207(4x27) x7 5x6 x2 5x6 2 6 6 3 6 3x225(4x21) 4x6 4x6 4x4 9x1 6 3 3 3 8 x236x13 8( x3)5(10x5) 3x5 2x8 x1 x4 10x5 2(9x8)5(4x30) x5 x1 x1 9x4 3 6 4 6 8 5x22x28 2(3x2)5(10x30) 9x4 x7 x9 x9 1 8 3 7 8 7x2010x6 2(3x5) 4 6 8 5 8 3x164x1 4(9x2) 6 8 6 3 6 x228x10 4(9x10) 5 8 8 5 4 7x126x2 8(9x6)5(6x5) 6x5 8x4 x4 4x7 2 5 7 4 5 5x1210x4 6(7x2)5(8x2) x8 4x8 3x4 x1 5 8 5 4 7 7x179(8x27) 4x8 x4 x8 x2 3 3 8 6 4 7x17(4x6)