人教版七年级数学下册解一元一次不等式专项练习 274.docx

1、人教版七年级数学下册解一元一次不等式专项练习 2745x268x9 2(9x9) 5 8 6 7 5 5x197(4x9) 6x3 x2 8x1 x1 8x19 6( x4)3(4x25) 4x1 x3 4x4 7x9 2 5 8 3 6 9x1810x27 4(7x3)5(2x3) 7x4 x5 x5 x8 4 8 6 4 3 5x306x13 4(5x3)3(8x18) 2x4 3x6 2x9 7x2 8x5 2(5x5)9(10x20) 7x5 6x9 3x1 7x9 4 6 5 4 6 5x138x9 8(3x5)9(10x13) x1 x5 x2 7x5 5 8 3 5 6 x266

2、x12 4(3x10)5(10x29) x5 5x9 x4 x2 6x17 8(3x4)9(8x9) x6 5x2 5x3 x8 3 3 4 6 8 7x1810x2 8(7x7)9(8x27) 6x3 6x7 5x8 x4 6x26 8(3x3)5(8x27) 6x5 7x8 x4 9x7 3 5 8 7 8 5x117(8x30) 6x4 x5 4x2 x7 6x21 8(3x7)5(4x5) x8 7x2 x1 x1 1 3 8 3 8 3x212x16 2(7x9) 4 7 8 8 6 7x224x27 6(9x7)5(10x3) x2 x9 8x9 8x1 1 4 7 7 7 9x5

3、7(8x3) 3x7 4x2 x5 5x3 5 4 3 7 6 3x296x23 6(3x7) 5 6 5 7 8 7x36x10 8(9x4)9(2x27) x9 x5 5x9 x3 2x16 4(3x10)5(10x10) 4x3 8x3 x4 x7 2 3 7 7 3 5x25(6x7) 3x4 4x2 3x5 7x5 4 4 3 4 8 9x173(4x20) x9 7x5 9x3 9x3 6 6 6 8 8 3x1010x11 2(5x10)7(8x15) 7x1 x1 x5 9x9 4 6 3 8 8 7x86x17 8(9x5)5(2x22) x9 5x1 4x4 4x8 4x1

4、 8(5x8)7(2x15) 6x7 8x6 x9 x4 2x26 8(3x8)7(4x8) x2 6x5 x3 x6 4x15 8(7x9)5(6x26) 6x4 x9 4x5 7x1 6x26 8( x9)9(6x29) x5 3x9 7x3 3x4 3 6 4 6 4 9x122x1 2(3x6)3(2x11) 4x1 x2 4x6 6x9 3 5 4 5 5 5x1010x6 2(3x7)7(4x23) x4 x1 x8 4x4 3 7 8 6 3 5x1710x5 2(7x2) 1 4 4 8 8 x117(4x29) 8x5 7x9 7x2 4x5 2x27 8(9x2)5(4x2

5、3) x7 3x9 6x3 4x9 3 6 4 7 3 5x264x8 4(7x1) 2x26 4(5x4)5(2x3) 7x7 x5 x1 7x2 6x6 6(5x5)9(6x15) 6x2 x7 6x5 8x9 6x25 4(9x4)5(2x26) 2x9 2x5 5x8 x3 3 3 3 4 5 5x104x25 2(3x6)9(10x5) 2x4 6x4 x2 x3 2x6 4(9x9)5(6x17) 7x5 7x3 4x5 4x1 4x7 2(7x8)3(8x24) x7 7x4 6x3 9x3 4 3 8 7 8 5x54x21 4(9x6) 10x27 8( x3) 3 5 5 8 4 3x158x11 4(7x6) 8x13 8(7x1)7(2x7) x1 x1 x1 4x6 4 8 6 3 3 x206x16 8(9x5)3(2x10) 7x7 x1 2x9 x1 2 8 4 3 6 9x74x5 2(3x3)5(4x21) x2 4x9 x9 4x7 4 6 5 6 5 x204x8 6(3x5)7(10x1) 5x7 x3 6x3 6x9 2 6 6 5 5 3x309(10x20) 8x6 7x2 x8 6x6 4 7 8 7 5 5x410x24 2(5x9)9(10x2)