1、初一数学上册一元一次方程综合练习题735 x 1 x 0.7x0.42.28.4x9 4 3 8 1 7x3x 4(x3)8(x3)185 5 1 2 (2x6)x1 8x8(3x)53 5 y2 y3 2 3.5x8(x1)40 3 6 1 2 (14x)(4x3) 3(8x8)156 9 7 x 1 x 0.2x0.35.61.9x6 2 6 2 1 4x4x 2(x5)7(x4)59 7 1 2 (4x9)x9 6x2(7x)63 5 y3 y1 9 2.5x3.5(x3)5 3 5 1 2 (12x)(2x5) 9(8x1)123 3 5 x 1 x 0.5x0.63.32.5x9 6
2、 3 4 1 8x9x 3(x1)5(x4)107 4 1 1 (7x8)x6 3x8(5x)52 5 y2 y1 9 4.5x8(x3)25 2 6 1 2 (14x)(2x1) 5(5x5)155 5 5 x 1 x 0.6x0.97.74x3 4 6 4 1 2x7x 5(x6)7(x9)39 5 1 4 (8x6)x1 9x3(1x)99 5 y3 y1 9 1x8.5(x9)15 3 6 1 2 (24x)(2x2) 4(9x2)187 3 7 x 1 x 0.3x0.47.49.2x9 6 6 8 1 2x8x 7(x6)9(x5)209 8 1 1 (9x7)x1 4x9(12x
3、)64 5 y2 y3 7 0.5x4.5(x7)15 2 5 1 2 (33x)(4x5) 4(3x6)135 5 5 x 1 x 0.6x0.56.49.3x6 2 6 4 1 6x4x 4(x5)4(x9)99 8 1 3 (9x9)x1 4x2(15x)55 5 y1 y1 7 3.5x3.5(x9)5 3 5 1 2 (44x)(2x1) 7(4x1)168 3 7 x 1 x 0.9x0.52.61.5x9 2 3 4 1 7x7x 7(x1)4(x2)117 8 1 3 (5x6)x3 6x6(6x)69 5 y2 y3 8 4x9(x6)35 3 6 1 2 (13x)(2x3
4、) 3(8x7)117 3 5 x 1 x 0.1x0.17.65.7x3 4 9 4 1 8x6x 8(x1)4(x3)169 9 1 2 (8x6)x2 6x6(12x)32 5 y3 y3 8 3x3(x7)15 3 6 1 2 (42x)(3x4) 6(3x4)59 5 7 x 1 x 0.5x0.60.20.7x6 6 9 8 1 2x8x 8(x4)3(x6)83 7 1 1 (6x6)x7 4x3(12x)23 5 y3 y2 9 4.5x3(x5)45 2 6 1 2 (34x)(2x3) 4(5x3)102 3 7 x 1 x 0.5x0.50.28.3x9 4 3 4 1 9x4x 3(x6)3(x6)59 4 1 3 (6x2)x7 8x5(20x)49 5 y2 y2 7 5x2.5(x2)30 2 5 1 2 (42x)(3x4) 5(6x2)103 7
