人教版七年级数学下册解一元一次不等式专项练习 154.docx

1、人教版七年级数学下册解一元一次不等式专项练习 1547x214x20 6(5x5)9(10x29) 7x6 x5 2x1 x5 4 8 8 3 6 7x186x5 8(7x8) 6 6 5 5 6 x118x20 4(5x5)7(4x27) x7 x1 x6 7x9 2 4 7 3 8 x53(10x30) x9 x6 x9 7x4 1 5 3 6 8 x78x5 2(5x5) 6 3 3 5 7 x149(4x27) x9 4x4 4x8 x5 2x21 8(3x1) 1 6 8 5 7 5x53(2x6) x4 x9 5x9 4x8 4 6 7 6 3 5x307(4x26) x6 x8

2、7x5 4x8 5 6 4 8 5 7x233(8x22) x9 4x7 2x8 7x6 5 8 3 3 8 9x255(2x26) x9 x1 7x4 x2 6 4 5 8 4 x196x3 8(5x6)3(4x24) 6x9 5x5 x3 2x1 3 7 6 5 3 9x67(2x15) 5x7 5x8 5x4 3x3 5 6 4 4 4 5x92x9 8(3x10)9(4x12) 9x7 x8 5x5 7x7 4 8 6 4 8 3x177(6x26) 8x2 x4 x8 9x5 4 7 3 3 8 7x128x22 4(3x2) 6 4 4 3 3 7x66x8 2( x1) 4 5

3、8 5 7 5x76x10 6(9x8)9(4x18) x3 x2 6x3 9x2 6 6 5 5 8 5x1110x16 6( x6)7(4x23) 6x4 x9 8x2 3x8 6 5 8 7 4 3x249(8x21) x9 3x8 8x6 8x8 2x3 2(5x6) 6 3 4 6 3 5x206x19 4( x9) 3 8 4 4 5 5x159(2x5) x4 x2 5x7 x1 5 3 7 6 3 x137(2x19) x8 4x7 6x8 7x6 10x9 4(7x9)5(8x4) 8x4 x3 x2 x5 5 7 6 7 8 9x114x24 2(3x10) 5 8 4 6

4、 5 7x35(8x17) 6x4 6x9 6x2 6x3 8x27 8(9x9)3(2x23) x8 x2 x6 x4 1 3 3 3 7 5x227(4x1) 9x2 2x9 x3 x3 6 8 3 6 4 7x135(6x1) x3 2x4 x3 5x3 1 5 3 8 6 7x172x13 8(7x2) 10x7 2( x8) 6 6 7 4 6 7x192x13 6(7x4)3(2x12) x7 x2 x6 4x5 2 5 5 7 5 7x126x13 2(7x10) 4 8 7 6 3 x65(4x6) 3x7 x6 5x7 x1 6 4 4 6 6 7x1710x11 2(3x7

5、)3(10x15) x5 x1 7x9 9x1 6x1 6(9x6) 1 7 6 5 7 5x68x22 2(7x10)9(8x3) x6 x9 8x5 x7 3 4 8 7 4 5x192x26 2( x6) 3 7 6 5 5 3x28x16 2(3x4) 3 4 7 6 3 5x243(6x20) 5x8 7x7 x9 4x8 2 4 6 7 5 7x153(4x30) x1 6x3 x9 6x4 8x8 2(3x6)7(10x15) 3x7 4x8 7x4 5x9 2x30 8(7x9)5(6x10) x8 5x6 2x7 6x4 10x16 4(9x1)5(10x18) 6x8 x5 x2 9x1 2 7 8 5 8 9x106x8 2( x6) 1 3 4 7 7 3x116x17 8( x4)7(10x25) 5x4 x4 4x5 5x3 2x5 8(9x8)7(8x17)