1、初一数学上册解方程专项练习题635 x 1 x 0.1x0.335.2x6 4 6 2 1 7x2x 4(x1)6(x8)47 4 1 4 (5x6)x1 2x4(10x)75 5 y1 y1 8 1.5x6(x4)45 3 6 1 2 (44x)(5x4) 6(9x7)39 9 7 x 1 x 0.9x0.81.52.2x9 8 6 8 1 9x8x 5(x1)6(x1)127 2 1 2 (5x7)x9 2x4(17x)65 5 y2 y1 4 1.5x3(x5)20 3 6 1 2 (42x)(2x3) 8(5x5)15 5 7 x 1 x 0.4x0.83.19.3x6 2 6 4 1
2、 3x1x 3(x8)5(x8)167 5 1 3 (2x2)x1 3x9(6x)58 5 y2 y2 1 3x9.5(x7)40 4 6 1 2 (12x)(2x5) 3(3x2)14 7 7 x 1 x 0.2x0.64.20.9x3 4 3 2 1 4x1x 9(x6)9(x1)119 4 1 4 (9x4)x2 3x9(4x)67 5 y1 y3 2 1x5.5(x2)50 2 5 1 2 (13x)(3x4) 3(3x9)158 7 5 x 1 x 0.8x0.39.26.4x6 6 3 2 1 7x5x 8(x3)7(x3)97 5 1 3 (7x5)x6 3x9(6x)52 5
3、y2 y2 8 0.5x4.5(x6)35 2 6 1 2 (12x)(5x2) 3(9x4)106 5 7 x 1 x 0.5x0.83.79.9x6 4 6 2 1 9x9x 9(x9)9(x9)157 8 1 2 (7x8)x9 6x3(11x)36 5 y1 y2 5 5x2.5(x6)45 4 5 1 2 (53x)(5x2) 7(2x4)67 5 7 x 1 x 0.5x0.35.62.1x9 4 9 4 1 4x2x 7(x5)5(x7)99 2 1 1 (7x8)x1 5x9(3x)27 5 y3 y1 3 1x3.5(x8)40 2 6 1 2 (44x)(3x5) 5(9x
4、1)25 3 7 x 1 x 0.3x0.28.17.2x3 6 9 8 1 3x4x 8(x5)9(x1)79 7 1 4 (7x1)x4 8x6(9x)92 5 y1 y3 4 2x5.5(x9)35 4 6 1 2 (24x)(3x2) 7(9x2)184 9 7 x 1 x 0.8x0.16.60.9x6 2 9 4 1 3x2x 7(x9)5(x4)37 2 1 2 (8x6)x1 3x7(3x)77 5 y2 y3 6 0.5x3(x3)35 3 5 1 2 (34x)(4x5) 9(4x6)78 9 5 x 1 x 0.9x0.68.98.5x9 8 6 8 1 7x5x 3(x
5、9)7(x8)27 3 1 1 (3x3)x3 6x7(12x)67 5 y1 y3 2 3.5x7.5(x1)5 4 5 1 2 (13x)(3x4) 6(9x6)183 9 5 x 1 x 0.6x0.29.82.8x3 4 6 2 1 7x9x 8(x9)3(x9)179 2 1 4 (5x9)x1 8x2(11x)13 5 y1 y1 6 4x1.5(x4)40 2 5 1 2 (54x)(3x3) 4(7x4)44 7 5 x 1 x 0.6x0.30.39.6x6 2 9 4 1 7x1x 3(x7)6(x1)65 6 1 4 (2x2)x4 8x8(18x)96 5 y2 y3
6、7 3.5x8(x8)50 2 6 1 2 (24x)(4x1) 8(6x5)139 5 7 x 1 x 0.8x0.41.67.3x6 6 6 2 1 6x7x 2(x6)6(x1)203 9 1 3 (3x3)x6 3x9(15x)94 5 y1 y2 9 1.5x1.5(x5)50 4 5 1 2 (13x)(5x3) 7(3x8)42 5 5 x 1 x 0.4x0.81.55x3 4 9 4 1 3x1x 6(x2)7(x8)163 3 1 1 (4x3)x8 6x6(8x)44 5 y1 y2 1 3x9(x5)45 4 5 1 2 (32x)(3x4) 2(8x7)132 9 5 x 1 x 0.1x0.10.51.6x9 2 6 8 1 3x3x 3(x5)6(x5)179 5 1 1 (6x8)x4 8x5(3x)77 5 y1 y2 5 1.5x3.5(x4)35 3 6 1 2 (33x)(4x2) 2(4x4)124 9 5 x 1 x 0.4x0.24.60.7x9 6 9 2 1 4x5x 4(x8)9(x4)53 2 1 3 (8x8)x1 5x8(7x)36 5 y1 y1 7 3x6.5(x4)25 4 6 1 2 (12x)(2x3) 5(6x8)59 3
