初一数学上册一元一次方程综合练习题100.docx

1、初一数学上册一元一次方程综合练习题1007 x 1 x 0.4x0.73.10.9x9 4 3 8 1 7x2x 2(x1)7(x5)195 9 1 1 (4x8)x6 6x9(13x)12 5 y1 y2 1 0.5x10(x1)25 4 5 1 2 (22x)(3x1) 3(2x5)68 7 5 x 1 x 0.5x0.84.97.1x3 4 3 2 1 8x2x 2(x6)5(x1)127 2 1 3 (5x4)x5 7x8(20x)25 5 y3 y3 2 3x8(x4)35 2 5 1 2 (12x)(3x1) 4(6x1)66 9 5 x 1 x 0.8x0.90.91.2x9 8

2、 9 2 1 9x2x 9(x4)4(x7)53 3 1 4 (6x7)x4 4x3(15x)36 5 y1 y3 4 0.5x10(x8)40 2 5 1 2 (44x)(2x1) 7(2x2)179 5 7 x 1 x 0.7x0.95.35.1x3 8 9 8 1 6x1x 6(x9)3(x1)165 7 1 4 (2x3)x5 8x2(19x)26 5 y1 y3 1 3x5.5(x4)25 3 5 1 2 (54x)(5x3) 3(9x6)155 5 7 x 1 x 0.7x0.81.74.8x6 4 6 4 1 8x9x 3(x3)3(x6)169 2 1 4 (3x8)x3 4x

3、8(5x)99 5 y1 y1 3 1x5(x5)40 4 6 1 2 (32x)(4x5) 9(7x2)99 3 7 x 1 x 0.1x0.75.81x9 2 3 4 1 9x3x 4(x1)3(x1)193 6 1 3 (3x4)x8 8x7(6x)36 5 y1 y3 4 4.5x2.5(x5)35 2 5 1 2 (23x)(2x2) 4(6x8)42 5 5 x 1 x 0.2x0.97.13.9x9 2 6 8 1 7x1x 4(x2)7(x1)59 4 1 3 (5x1)x5 7x9(1x)23 5 y3 y2 3 4.5x2.5(x8)50 3 6 1 2 (14x)(2x4

4、) 4(3x7)199 9 5 x 1 x 0.2x0.92.19.3x9 8 9 2 1 4x6x 2(x2)4(x1)55 7 1 4 (2x7)x7 3x3(9x)64 5 y2 y2 9 3x6(x1)20 4 5 1 2 (33x)(5x4) 6(4x2)156 7 5 x 1 x 0.6x0.92.35.3x6 2 9 2 1 4x9x 8(x7)6(x7)67 2 1 4 (3x1)x3 4x6(9x)74 5 y2 y3 9 5x7.5(x4)10 2 6 1 2 (22x)(2x5) 7(9x2)46 9 7 x 1 x 0.3x0.30.43.8x6 4 3 8 1 5x9x 2(x3)5(x6)43 8 1 1 (5x6)x7 5x5(4x)82 5 y1 y2 2 4.5x3(x8)15 2 6 1 2 (52x)(3x3) 4(2x9)175 3