1、初一数学上册解方程专项练习题95 x 1 x 0.9x0.786.1x9 6 3 4 1 7x6x 6(x6)2(x3)73 2 1 4 (3x2)x8 4x5(4x)86 5 y1 y1 7 4x2(x3)20 2 5 1 2 (32x)(3x5) 9(8x4)87 3 7 x 1 x 0.6x0.36.87.5x3 4 9 2 1 2x2x 5(x8)6(x2)183 2 1 4 (3x9)x5 6x8(2x)16 5 y1 y1 2 4x2.5(x9)15 3 6 1 2 (53x)(3x4) 7(3x8)82 5 5 x 1 x 0.9x0.883x6 2 6 4 1 3x5x 6(x
2、1)2(x9)35 7 1 2 (2x9)x5 5x5(14x)57 5 y1 y2 9 1x3(x3)30 4 6 1 2 (53x)(2x4) 5(9x5)168 5 5 x 1 x 0.2x0.35.83.2x6 6 9 8 1 5x1x 3(x8)7(x5)209 3 1 1 (6x5)x9 4x9(6x)53 5 y2 y3 7 4.5x9.5(x2)5 4 6 1 2 (23x)(2x3) 6(9x8)153 3 5 x 1 x 0.7x0.26.86.3x3 6 9 2 1 8x9x 3(x8)4(x3)135 2 1 4 (3x6)x6 3x9(11x)34 5 y2 y3 8
3、 5x5(x9)30 2 5 1 2 (32x)(5x5) 8(2x7)85 9 5 x 1 x 0.3x0.79.51.4x6 4 9 2 1 5x6x 7(x5)7(x5)83 6 1 2 (2x2)x2 6x4(19x)73 5 y3 y2 6 3.5x1(x1)50 3 6 1 2 (54x)(5x2) 8(2x2)65 9 7 x 1 x 0.4x0.28.96.4x9 2 3 4 1 8x9x 3(x6)8(x7)147 3 1 1 (4x3)x7 3x8(18x)56 5 y3 y1 5 4.5x9(x2)10 4 5 1 2 (23x)(4x2) 7(9x9)159 5 5 x
4、 1 x 0.3x0.50.55.8x9 4 3 2 1 7x5x 3(x2)7(x5)155 8 1 1 (3x5)x6 2x8(4x)78 5 y2 y1 3 4x9.5(x3)30 2 6 1 2 (53x)(3x5) 9(6x2)95 3 5 x 1 x 0.6x0.57.99x6 8 6 8 1 3x6x 2(x1)6(x4)143 8 1 3 (2x9)x4 7x6(3x)59 5 y3 y2 4 5x6.5(x1)30 2 5 1 2 (23x)(3x1) 4(4x8)183 3 7 x 1 x 0.7x0.90.78.4x3 4 6 4 1 2x9x 4(x1)5(x6)145
5、 4 1 1 (7x8)x1 3x9(17x)48 5 y2 y2 1 3x4.5(x4)30 3 5 1 2 (23x)(3x1) 4(7x4)55 3 7 x 1 x 0.5x0.57.78.6x3 8 6 8 1 3x4x 7(x8)5(x1)189 9 1 4 (8x5)x5 3x4(12x)97 5 y1 y3 4 2.5x3(x2)20 2 5 1 2 (43x)(4x2) 8(6x7)39 3 7 x 1 x 0.6x0.77.96.3x9 2 3 2 1 2x3x 6(x2)4(x2)175 4 1 3 (3x4)x8 2x8(20x)36 5 y3 y2 6 1x5(x4)4
6、5 4 6 1 2 (24x)(2x1) 4(5x1)149 9 5 x 1 x 0.2x0.87.11.8x3 4 6 2 1 4x3x 6(x7)3(x2)155 8 1 1 (2x4)x6 6x8(4x)22 5 y1 y3 8 1.5x0.5(x6)20 2 6 1 2 (13x)(4x1) 4(8x4)156 3 7 x 1 x 0.1x0.30.95.5x9 6 9 2 1 9x5x 6(x4)7(x8)65 6 1 4 (3x1)x1 9x2(11x)27 5 y3 y2 5 3.5x2(x6)45 2 5 1 2 (53x)(3x4) 6(9x3)67 5 5 x 1 x 0.5x0.59.43.4x9 4 6 8 1 7x4x 7(x9)9(x8)117 8 1 4 (5x6)x2 3x6(1x)12 5 y2 y1 4 3x6.5(x7)20 2 5 1 2 (14x)(4x3) 2(7x5)149 3 5 x 1 x 0.7x0.36.66.6x6 2 6 2 1 8x5x 3(x4)7(x5)163 6 1 1 (6x1)x9 6x2(15x)43 5 y1 y1 1 2x2.5(x3)5 2 6 1 2 (14x)(3x2) 5(8x8)106 3
