人教版八年级数学上册分式方程专项练习题25.docx

1、人教版八年级数学上册分式方程专项练习题2590 4020v 50v3 9x x6 1 9x5 x7 4 8x4 x x 27x6 (x6)(x5)3 86x x7 x 99 x6 6x6 1 2 x2 x24 1 7x22x x22x1 1 172 5 3x 60 7010v 50v4 7x x2 2 9x6 x4 2 9x1 x x 34x6 (x6)(x5)2 62x x5 x 95 x5 5x15 3 3 x7 x249 9 4x22x x22x1 1 192 7 3x 50 6020v 80v4 6x x8 5 9x6 x3 4 7x2 x x 53x3 (x3)(x9)3 86x x

2、9 x 93 x4 4x20 3 3 x3 x29 2 6x23x x23x1 1 122 5 3x 40 8010v 60v4 7x x5 4 7x6 x9 5 7x3 x x 15x3 (x3)(x9)3 82x x9 x 65 x2 2x6 6 3 x9 x281 8 5x22x x22x1 1 124 8 2x 50 1020v 70v2 8x x3 3 8x5 x3 4 6x8 x x 76x3 (x3)(x7)5 94x x7 x 63 x6 6x18 2 1 x6 x236 8 7x27x x27x1 1 114 7 3x 70 6010v 70v4 8x x3 2 6x8 x8

3、 3 9x3 x x 76x9 (x9)(x6)4 95x x1 x 72 x6 6x24 9 4 x3 x29 7 4x28x x28x1 1 152 8 2x 90 5010v 60v4 9x x2 4 9x6 x6 3 8x4 x x 71x1 (x1)(x7)1 68x x4 x 85 x2 2x10 3 2 x7 x249 7 3x29x x29x1 1 184 8 4x 20 1010v 50v3 7x x5 4 9x4 x3 4 9x5 x x 92x8 (x8)(x6)5 76x x6 x 86 x3 3x9 5 6 x3 x29 9 3x26x x26x1 1 152 7 6

4、x 60 1030v 80v4 9x x1 4 6x8 x6 4 9x7 x x 77x9 (x9)(x2)2 82x x6 x 91 x5 5x15 6 8 x6 x236 9 5x25x x25x1 1 194 7 5x 30 7020v 70v3 6x x6 1 6x3 x8 3 9x7 x x 11x9 (x9)(x2)5 77x x4 x 68 x4 4x8 2 5 x2 x24 9 3x29x x29x1 1 174 5 6x 60 1010v 50v2 9x x6 5 8x9 x9 2 7x1 x x 18x9 (x9)(x5)1 79x x9 x 92 x2 2x6 7 1 x

5、2 x24 1 6x29x x29x1 1 174 6 3x 80 5030v 50v2 8x x5 2 7x4 x2 1 9x5 x x 88x1 (x1)(x9)3 86x x9 x 65 x3 3x6 4 6 x1 x21 5 2x26x x26x1 1 132 7 3x 40 7030v 70v5 7x x8 4 9x7 x3 1 8x1 x x 88x6 (x6)(x9)4 78x x4 x 93 x4 4x16 6 2 x9 x281 8 1x26x x26x1 1 162 8 2x 90 7030v 70v4 9x x4 1 9x7 x9 5 8x5 x x 97x2 (x2)(

6、x6)1 67x x4 x 63 x5 5x15 3 4 x8 x264 2 6x23x x23x1 1 184 8 2x 90 9010v 80v5 8x x9 3 8x5 x3 3 9x3 x x 67x8 (x8)(x9)1 98x x2 x 62 x4 4x8 1 6 x5 x225 4 2x29x x29x1 1 182 6 3x 70 6030v 50v4 6x x1 3 7x4 x8 4 7x7 x x 73x3 (x3)(x5)2 96x x5 x 99 x4 4x4 4 9 x4 x216 6 9x23x x23x1 1 152 7 5x 10 6020v 60v5 6x x

7、8 3 7x2 x9 2 7x3 x x 27x8 (x8)(x6)3 84x x3 x 71 x6 6x24 3 4 x9 x281 7 3x25x x25x1 1 112 8 3x 90 5020v 80v4 9x x8 3 7x2 x7 3 9x9 x x 88x2 (x2)(x2)2 64x x6 x 66 x4 4x12 3 8 x8 x264 4 4x27x x27x1 1 183 8 3x 10 6030v 60v2 8x x7 2 8x2 x3 1 8x5 x x 86x5 (x5)(x5)2 93x x2 x 92 x2 2x10 6 5 x6 x236 8 5x24x x2

8、4x1 1 184 8 5x 30 2040v 70v1 8x x8 5 6x2 x4 4 9x9 x x 17x1 (x1)(x1)5 67x x6 x 95 x3 3x6 5 8 x6 x236 3 8x26x x26x1 1 114 6 6x 30 8010v 50v2 9x x3 3 9x4 x7 2 9x2 x x 14x6 (x6)(x2)5 72x x1 x 81 x2 2x6 1 2 x6 x236 6 8x28x x28x1 1 164 5 4x 40 5020v 50v1 6x x3 4 8x1 x7 5 8x2 x x 95x3 (x3)(x2)4 74x x5 x 98

9、 x3 3x3 5 2 x5 x225 6 9x22x x22x1 1 133 6 2x 30 4010v 80v5 8x x2 1 6x8 x4 2 7x7 x x 48x8 (x8)(x9)2 62x x7 x 65 x5 5x10 8 8 x7 x249 4 9x23x x23x1 1 123 6 2x 90 3040v 70v1 9x x3 2 6x4 x9 1 9x4 x x 39x5 (x5)(x4)2 84x x1 x 81 x3 3x12 5 2 x7 x249 1 5x22x x22x1 1 193 5 6x 20 8030v 50v3 9x x5 1 8x8 x8 4 8x

10、2 x x 88x5 (x5)(x1)1 68x x2 x 74 x6 6x18 9 3 x2 x24 8 3x23x x23x1 1 173 7 6x 40 4030v 70v2 9x x9 5 6x6 x9 3 9x4 x x 95x9 (x9)(x3)1 72x x4 x 76 x2 2x4 1 9 x3 x29 5 4x24x x24x1 1 122 7 5x 90 8020v 80v3 9x x5 2 8x5 x5 5 8x8 x x 45x4 (x4)(x4)1 92x x5 x 81 x6 6x18 7 7 x1 x21 9 6x26x x26x1 1 172 5 5x 10 8

11、010v 50v2 9x x1 5 7x6 x1 1 7x4 x x 14x4 (x4)(x7)4 98x x2 x 71 x2 2x10 3 1 x7 x249 7 8x26x x26x1 1 172 5 5x 50 9010v 80v2 6x x9 2 6x1 x3 3 9x5 x x 37x5 (x5)(x5)2 67x x6 x 97 x5 5x10 6 3 x8 x264 8 5x22x x22x1 1 133 5 3x 40 5010v 50v4 9x x9 2 9x5 x4 2 6x7 x x 94x2 (x2)(x7)3 72x x3 x 65 x3 3x9 7 3 x9 x281 4 7x22x x22x1 1 163 7 3x 50 3010v 50v3 6x x1 3 7x8 x9 5 7x9 x x 18x5 (x5)(x8)3 85x x8 x 67 x6 6x18 2 9 x1 x21 1 1x24x x24x1 1 112 6 6x 90 2020v 80v4 7x x5 5 9x3 x6 1 9x5 x x 78x9 (x9)(x9)3 69x x1 x 84 x5 5x20 1 5 x2 x24 5 1x27x x27x1 1 143 7 2x