人教版七年级数学下册解一元一次不等式专项练习 215.docx

1、人教版七年级数学下册解一元一次不等式专项练习 215x5 8x4 x6 x1 3 6 7 7 3 x2010x4 8(3x7)5(10x11) 6x4 6x6 5x8 4x3 6 7 7 4 3 5x284x10 8(7x9) 2 8 6 6 7 5x53(4x27) x5 x1 4x1 4x2 5 8 4 5 5 7x65(8x8) 3x4 x8 9x9 8x1 3 4 6 8 7 5x610x6 2(5x10) 4 6 6 4 8 3x132x28 2(3x6) 6x9 8(3x7)9(6x8) 2x9 x1 x2 5x4 3 3 8 7 6 3x208x16 2(3x7)7(10x19)

2、 7x2 7x6 x4 x4 6 6 6 4 7 7x296x25 2(9x10)5(2x10) 9x4 7x7 x5 2x6 4x10 2(7x4)5(6x25) x2 4x7 8x6 3x1 4 3 3 7 4 x128x13 6(3x5) 1 6 5 8 8 x173(8x7) x9 9x2 x5 3x5 6 6 8 6 4 7x32x1 2(9x9)9(10x11) 9x9 x6 x5 5x7 6x19 2(5x7)5(10x27) x4 6x2 8x2 8x6 5 6 5 7 7 9x82x13 2(9x7)9(10x7) 7x2 5x4 3x1 8x9 6 8 6 4 7 3x21

3、6x4 4(3x3)5(4x6) 8x1 x6 x2 x6 5 7 7 7 5 x36x29 8(3x6) 6 5 8 7 8 9x288x1 8(5x10)3(6x15) x9 3x9 x5 x4 2 6 4 4 8 3x2310x10 2(3x7)3(6x9) 9x1 x3 x4 x1 2 8 6 8 6 x252x21 2(9x2)7(2x6) 4x3 3x8 4x8 x2 4x16 2(5x4)9(10x25) 6x9 x6 8x4 x3 4x17 6(5x6)9(10x17) x2 9x5 x8 6x8 2x11 4(3x7) 1 4 7 6 7 5x1210x14 8(3x5)3(

4、8x27) x8 7x1 3x9 x7 4 8 8 4 4 7x148x3 4(7x4)3(6x19) x3 6x5 7x5 3x3 4 8 7 6 4 x186x27 2(7x2) 6 3 3 3 6 7x233(4x30) 2x5 x9 4x4 x7 2x20 2(7x7)5(8x30) x2 5x6 x1 x4 6x8 6(5x4)3(6x28) 4x5 4x4 4x1 x7 6x25 2(5x4) 4x10 4(7x1)5(8x24) x3 x7 6x3 x9 6x17 8(5x9)7(2x25) x3 9x8 x5 6x5 5 6 8 5 7 x263(10x14) x3 5x2 5

5、x1 7x9 4 4 4 4 6 x1910x27 6(5x6)7(8x3) x7 9x9 4x5 5x6 2 4 8 5 6 7x249(8x19) 4x4 x1 4x1 x9 4 3 5 3 8 9x142x16 8( x10)5(4x9) 5x8 x3 x6 6x5 3 4 6 8 7 9x292x25 6(9x2)5(8x30) 5x9 x1 x9 x3 3 6 7 5 5 7x93(4x23) x4 5x9 x2 x1 1 4 4 3 6 x74x14 6(7x1)7(10x23) x9 2x4 3x4 6x6 4 6 3 4 7 x308x26 6(7x6)9(10x18) x5 8x6 5x6 x1 10x24 4(9x2)3(10x9) x4 x2 2x2 x5 2 7 7 3 5 5x133(8x22) 2x2 7x5 x8 9x6 8x11 8(3x6) 4 8 5 4 3 5x202x22 6(7x5)5(10x25) x2 2x3 6x3 8x5 4x11 6(3x8)9(2x8) x5 x2 x2 4x1 1 3 5 7 3 7x144x23 2(9x7)3(10x27) x5 8x4 3x4 x3 4x28 4(5x2)7(4x12) x4 x9 3x9 x6 5 7 7 4 8