1、初一数学上册解方程专项练习题5 x 1x0.9x0.76.90.3x3 2 98 13x5x4(x9)3(x6)105 21 2(8x9)x85x8(6x)56 5y1 y264.5x6.5(x7)15 3 61 2(12x)(4x2)9(3x8)156 77 x 1x0.4x0.13.98.3x6 4 38 17x4x6(x7)3(x4)79 41 1(5x1)x75x2(6x)46 5y1 y244.5x7.5(x8)45 3 61 2(54x)(2x5)9(6x1)137 77 x 1x0.1x0.71.76.4x9 8 98 18x3x4(x1)9(x1)75 31 4(7x4)x47
2、x6(18x)93 5y3 y293.5x2(x9)35 3 51 2(23x)(4x3)7(8x6)138 57 x 1x0.3x0.91.99.7x3 4 64 13x5x3(x8)2(x8)203 21 1(3x6)x98x9(19x)14 5y1 y133.5x9(x3)20 3 51 2(42x)(4x4)9(6x2)137 95 x 1x0.2x0.36.59.6x3 2 38 17x4x8(x7)3(x4)107 81 1(7x7)x75x5(12x)24 5y3 y322.5x7(x3)30 3 61 2(12x)(2x4)3(2x4)208 75 x 1x0.2x0.82.7
3、0.2x6 6 94 14x3x6(x5)2(x3)143 51 1(2x5)x83x6(4x)77 5y2 y333x10(x8)15 3 51 2(42x)(3x1)5(7x6)102 95 x 1x0.6x0.97.20.1x6 2 94 15x3x6(x9)7(x8)129 41 1(4x6)x49x3(16x)84 5y1 y172x10(x4)15 2 51 2(32x)(2x1)2(5x3)43 35 x 1x0.8x0.83.29.7x3 8 38 17x1x3(x4)8(x8)75 41 4(6x3)x92x9(4x)37 5y2 y271x5.5(x8)45 2 51 2(
4、54x)(4x2)6(5x7)53 77 x 1x0.1x0.10.55.9x6 2 92 14x9x7(x6)9(x8)93 41 3(3x5)x78x8(6x)93 5y1 y252x8(x4)25 3 61 2(34x)(2x3)2(7x6)177 57 x 1x0.9x0.74.20.3x3 8 62 15x1x2(x3)4(x8)125 81 1(2x7)x47x2(12x)43 5y1 y320.5x7(x4)35 3 61 2(53x)(5x3)7(8x4)207 77 x 1x0.8x0.51.69.5x3 2 68 16x5x3(x9)4(x2)127 71 3(5x2)x6
5、6x8(2x)92 5y2 y363x2(x1)20 2 61 2(33x)(3x5)9(8x4)37 75 x 1x0.5x0.97.82.9x9 4 68 15x3x6(x4)3(x3)29 81 4(6x1)x92x4(16x)64 5y1 y393.5x9(x6)25 4 61 2(42x)(5x4)8(2x4)72 97 x 1x0.3x0.789.5x6 8 94 18x3x5(x7)3(x8)195 81 1(6x8)x64x6(20x)22 5y2 y261x8.5(x4)30 3 61 2(52x)(2x3)3(3x5)82 97 x 1x0.7x0.93.58.8x9 8
6、64 16x5x2(x2)5(x3)139 81 1(4x7)x52x2(19x)47 5y1 y120.5x1(x1)25 3 51 2(24x)(5x1)2(9x5)109 97 x 1x0.3x0.170.5x9 2 34 13x2x5(x7)9(x4)85 51 2(8x2)x47x2(11x)37 5y3 y312.5x9.5(x2)25 4 51 2(23x)(5x1)4(7x2)204 55 x 1x0.2x0.99.18.4x9 8 64 15x9x9(x4)7(x7)189 81 1(6x4)x42x6(10x)14 5y3 y154.5x2.5(x3)30 3 51 2(42x)(5x5)7(6x2)83 9
