1、初一数学上册解方程专项练习题105 x 1 x 0.2x0.19.93.4x3 6 3 8 1 9x8x 6(x4)7(x2)169 4 1 4 (2x4)x2 5x6(12x)96 5 y1 y3 1 5x9(x9)45 3 6 1 2 (43x)(2x5) 6(8x5)187 3 7 x 1 x 0.1x0.87.49x3 6 3 8 1 8x5x 5(x9)4(x2)79 5 1 2 (3x1)x5 7x3(7x)59 5 y2 y1 4 4x6.5(x7)5 4 5 1 2 (52x)(4x3) 9(5x4)132 7 5 x 1 x 0.7x0.246x3 2 6 2 1 8x7x
2、6(x7)4(x4)155 5 1 4 (3x8)x1 3x7(18x)76 5 y3 y2 5 5x3(x5)45 4 5 1 2 (13x)(3x2) 7(6x8)54 7 7 x 1 x 0.4x0.66.76.9x3 8 3 2 1 8x1x 7(x6)6(x4)19 4 1 1 (7x4)x4 3x6(12x)83 5 y3 y2 1 0.5x5.5(x8)15 3 5 1 2 (42x)(2x5) 7(3x8)206 5 7 x 1 x 0.1x0.70.18.2x9 8 3 8 1 9x2x 5(x1)7(x8)149 6 1 3 (8x3)x7 9x9(7x)19 5 y3 y
3、2 3 5x1.5(x9)35 4 5 1 2 (12x)(4x3) 4(7x2)145 3 5 x 1 x 0.7x0.80.11.5x9 4 3 8 1 3x7x 6(x2)7(x6)97 8 1 1 (4x8)x2 6x5(10x)63 5 y1 y2 4 1.5x4.5(x7)10 2 5 1 2 (13x)(4x2) 3(3x6)193 7 5 x 1 x 0.4x0.91.59.5x3 8 9 2 1 9x7x 3(x8)9(x3)159 7 1 3 (8x6)x9 7x7(3x)19 5 y1 y3 1 4x6.5(x4)30 2 5 1 2 (42x)(5x1) 5(3x7)8
4、2 3 7 x 1 x 0.8x0.33.16.6x9 6 9 8 1 6x1x 8(x8)6(x2)175 4 1 2 (3x4)x3 9x2(5x)97 5 y2 y1 1 4x6.5(x6)15 2 5 1 2 (44x)(2x4) 3(9x2)66 5 5 x 1 x 0.5x0.73.95.6x6 4 3 2 1 8x7x 5(x8)8(x4)19 3 1 1 (4x3)x3 3x2(17x)77 5 y2 y1 3 2x3.5(x9)30 4 5 1 2 (52x)(2x5) 7(2x8)97 7 7 x 1 x 0.4x0.62.54.8x9 8 6 4 1 4x7x 2(x2)
5、5(x5)109 2 1 1 (7x9)x7 8x3(8x)75 5 y3 y2 1 5x3(x3)30 2 5 1 2 (33x)(2x1) 2(8x7)72 3 5 x 1 x 0.1x0.46.18.8x3 8 3 2 1 5x8x 5(x7)4(x1)15 3 1 1 (7x6)x5 2x5(8x)38 5 y2 y2 6 3.5x3(x6)25 2 5 1 2 (43x)(4x4) 8(3x3)173 3 5 x 1 x 0.6x0.35.97.6x9 6 6 8 1 4x6x 9(x3)3(x3)35 3 1 2 (4x3)x9 6x6(10x)97 5 y1 y1 9 1x7.5
6、(x8)40 3 5 1 2 (54x)(2x5) 8(4x5)198 5 5 x 1 x 0.4x0.39.52.9x3 8 3 2 1 8x8x 7(x2)9(x1)87 8 1 4 (6x4)x6 9x8(2x)76 5 y2 y2 9 2x2(x7)20 3 6 1 2 (44x)(3x1) 6(2x4)102 9 7 x 1 x 0.9x0.60.49.3x6 6 9 8 1 6x1x 6(x7)9(x1)179 6 1 3 (2x1)x2 8x3(8x)34 5 y2 y3 7 5x0.5(x6)25 4 5 1 2 (52x)(4x1) 8(3x7)17 5 5 x 1 x 0.1x0.31.77.4x3 2 6 2 1 3x5x 5(x3)2(x8)175 4 1 3 (5x4)x8 4x3(3x)25 5 y1 y2 5 4x5(x8)35 2 6 1 2 (23x)(2x5) 4(9x6)139 3 5 x 1 x 0.3x0.48.98.3x9 6 9 4 1 5x9x 9(x5)5(x3)107 2 1 1 (7x2)x3 4x5(3x)58 5 y1 y1 8 5x8(x9)10 3 5 1 2 (44x)(5x2) 6(4x8)36 5
