人教版七年级数学下册解一元一次不等式专项练习 338.docx

1、人教版七年级数学下册解一元一次不等式专项练习 338x145(4x19) 7x4 5x7 2x2 3x4 1 6 6 3 4 5x2110x19 6( x8)7(10x19) x9 7x8 2x3 6x6 5 7 6 3 7 9x162x5 2(9x8)9(4x13) x7 x5 7x1 x1 3 6 8 8 8 3x299(6x23) x5 x1 x4 x4 5 4 6 6 3 9x1010x1 8( x2)3(10x18) 5x7 8x1 x2 6x2 2 6 7 7 7 5x49(2x24) x3 4x5 7x4 2x6 2 5 5 6 3 7x85(8x30) x4 9x3 x3 5x

2、7 2 5 8 7 4 7x1210x20 6( x8)7(4x18) 4x8 x9 6x6 x9 6 3 7 5 5 x42x12 8(7x2) 1 5 5 7 5 x210x28 4(5x4)5(8x18) 3x3 x4 5x6 5x6 2 4 8 6 4 7x137(8x10) x7 4x6 6x1 x7 2 7 5 7 8 x1210x8 8(7x2)5(10x24) 4x4 x8 2x8 4x2 1 3 3 3 5 3x285(6x26) 6x2 7x5 7x7 x4 3 7 6 8 6 7x710x27 4(9x2)5(10x16) x2 x2 4x2 5x8 4x16 4( x4

3、) 5 3 5 6 5 5x82x3 8(5x1)9(8x2) x2 x9 x9 5x6 1 7 5 3 6 5x308x29 4(9x7) 4 4 8 4 8 7x94x16 2(9x1)5(6x20) 6x7 5x3 4x4 7x1 4x13 6(9x7)9(8x24) 6x7 8x4 5x2 4x1 1 7 7 6 3 3x275(10x29) 3x9 6x6 7x9 x3 6 4 7 6 5 5x2310x28 6(5x7) 3 6 3 6 4 x207(8x6) 4x7 x5 3x1 3x3 3 3 4 4 4 3x215(4x4) x4 5x3 5x6 2x4 2x28 8(7x4

4、)3(10x7) 7x4 3x8 5x6 4x1 10x3 8( x9) 2 4 5 7 5 x222x30 8(3x2)7(10x28) 8x7 9x9 x7 x3 2x19 4(5x1) 1 6 4 7 5 3x97(10x9) 4x5 7x3 7x8 x8 6 5 8 8 3 3x2310x2 4(3x6) 8x11 6(9x5)9(10x26) x8 x2 3x9 x3 6 7 7 4 3 3x277(4x24) x6 8x6 x1 x5 10x9 4(5x5)9(6x28) 8x7 x7 7x3 5x8 8x21 6( x4)7(6x7) x2 x3 5x9 x7 4x20 8( x

5、6) 4 8 3 4 7 3x278x14 2(7x6)5(10x2) x4 4x7 x8 7x6 6 3 5 7 6 9x264x8 8( x6)3(10x17) x6 3x7 9x4 x8 2x18 8(7x4) 4 5 4 8 3 3x196x10 6(9x10) 4x7 8(7x5)3(10x27) 8x8 5x5 x3 7x2 6x5 6(9x10)3(10x2) x8 x5 2x4 x2 4 5 7 3 6 3x262x6 4(9x9)5(10x5) 2x2 5x3 x8 7x2 6 3 6 5 8 9x214x13 4(5x3) 1 4 6 7 8 5x134x25 4(9x10) 1 5 3 4 8 5x267(6x20) 2x7 8x8 5x4 7x3 8x20 2(9x1)7(8x18) x4 4x2 x1 6x4 4 8 3 3 5 3x304x13 2(3x5)3(8x28) 7x1 x7 x1 x1 4 8 5 5 8 7x304x4 2(9x2) 3 5 7 6 6 5x139(10x16)