人教版七年级数学下册解一元一次不等式专项练习 199.docx

1、人教版七年级数学下册解一元一次不等式专项练习 1994x6 5x4 5x6 7x5 2 5 4 4 8 7x44x4 8(5x7)5(8x13) x1 x1 3x8 6x9 5 5 5 4 7 5x123(6x5) x2 9x8 x4 x2 3 3 8 3 5 3x145(8x5) 3x7 x8 5x3 x3 3 4 6 4 6 9x38x18 2(9x9) 6 8 8 6 3 7x48x18 4(3x10) 6 6 5 6 4 x224x26 8( x9)7(8x19) x3 5x5 x3 x9 4 3 6 3 5 9x1010x19 4(3x8)5(10x4) x7 6x9 7x7 x6

2、1 7 5 6 4 5x210x3 6(3x2) 3 8 6 6 4 5x297(2x22) 4x4 x1 x4 7x5 3 5 5 3 8 9x53(6x21) 9x7 x7 x5 7x9 4 8 5 7 6 7x278x26 6(9x4)5(10x2) 6x7 4x7 7x6 6x4 1 7 5 6 7 x308x13 8( x3)7(8x17) x8 x3 x3 2x4 6 5 3 4 3 7x215(8x27) 8x4 3x5 x4 2x5 3 7 4 5 3 5x187(10x6) 5x8 x7 x2 x2 6 6 3 6 5 3x157(10x7) 6x4 5x6 4x1 x1 5

3、 7 6 3 5 9x64x9 4(7x5)7(6x15) x3 8x9 x4 6x5 4x14 2(9x9)3(8x27) x6 x5 x7 x2 4 4 5 3 7 x182x20 8(3x2) 2 8 5 7 4 3x92x20 6(3x5)5(4x15) x6 x3 x4 x9 6 6 6 8 6 3x182x1 6(3x5)9(6x30) x3 4x6 x5 x8 6 6 3 8 8 9x227(4x26) x4 x8 3x7 x2 8x18 2(3x2)9(10x30) x1 4x4 6x8 6x6 3 7 3 5 7 7x146x7 8(7x9)7(10x23) 4x7 x8 5

4、x6 x4 1 5 8 6 6 5x78x21 8(9x8)5(8x8) x5 4x6 x2 6x9 4x7 6(3x10)3(2x6) 5x8 2x3 2x6 9x6 1 6 3 3 8 3x82x21 2( x2)3(4x18) x9 x5 x9 6x5 4 6 4 4 5 5x57(10x22) 5x4 x9 x6 x9 5 6 3 4 5 7x266x16 8(9x4)7(2x11) 5x5 5x5 x4 6x8 2 6 6 6 5 5x133(10x23) x7 4x7 x8 6x9 4 3 3 6 5 5x254x26 2(9x8)7(6x9) 7x9 6x6 x5 5x8 6 6

5、 7 7 6 9x205(2x26) 6x3 x5 7x5 x1 10x26 2(3x10)9(10x26) x3 3x9 6x2 x3 6 8 4 5 3 3x74x15 4( x6) 4 3 5 5 8 7x252x18 2(7x3) 1 7 4 5 8 x26x22 2(7x6) 1 4 7 8 5 9x242x19 6(3x10) 10x12 2(5x3) 1 4 7 6 6 3x129(2x9) 6x1 9x7 3x8 5x8 1 7 8 4 4 9x910x21 6(7x1) 10x22 8(7x7) 1 8 5 8 4 7x116x22 8(9x8) 6 6 7 4 6 7x187(10x25) x4 7x3 2x2 7x6 5 8 6 3 6 5x410x28 6(3x3) 10x12 2(3x2)9(6x4) x6 x8 3x3 7x4 2 6 4 4 8 x96x23 6(7x5)7(4x14) x7 x7 8x9 x7 1 5 5 7 6 7x142x7 8( x8) 3 4 6 3 8 3x54x19 6(3x3) 5 5 5 7 5