人教版初二数学上册分式方程专项练习题8.docx

1、人教版初二数学上册分式方程专项练习题8 x 15x4 (x4)(x6)4 97x x9 x 69 x2 2x8 8 2 x2 x24 6 5x27x x27x1 1 182 6 5x 60 8030v 60v3 4x x9 6x 42 x2 4x8 4 42x1 4x21 1 29x28x x28x x x9 x1 x5 x6 96 x5 5x4x3 1x2x 8x81 3 55 2x3 4x6 9a1 x2m 60x x6 40 8020v 50v5 7x x3 5 7x1 x8 5 6x9 x x 81x8 (x8)(x4)3 74x x5 x 94 x6 6x24 1 4 x9 x281

2、 4 1x23x x23x1 1 154 8 3x 50 2010v 70v9 9x x5 x 23 x1 3x3 7 58x4 64x216 7 36x27x x27x x x7 x1 x4 x8 67 x4 4x3x3 2x2x 9x95 1 14 2x3 4x6 2a2 x5m 30x x4 50 5040v 80v1 9x x8 5 9x4 x4 5 9x5 x x 75x6 (x6)(x4)5 66x x1 x 77 x3 3x15 9 5 x3 x29 8 7x26x x26x1 1 172 7 2x 90 5010v 60v6 7x x1 6x 56 x2 4x8 2 49x5

3、81x225 4 22x28x x28x x x9 x5 x2 x7 35 x1 1x2x2 7x2x 5x51 2 22 2x1 4x2 2a4 x7m 10x x9 20 9010v 80v3 6x x9 1 8x3 x7 4 7x7 x x 52x3 (x3)(x9)1 99x x8 x 98 x2 2x6 6 9 x4 x216 1 8x22x x22x1 1 114 6 5x 50 6040v 50v2 1x x4 4x 83 x2 4x8 6 39x6 81x236 4 54x28x x28x x x9 x4 x3 x7 57 x1 1x2x3 3x2x 6x66 4 55 3x4

4、 6x8 3a6 x3m 30x x7 20 4030v 50v2 6x x4 5 9x7 x5 4 7x1 x x 69x7 (x7)(x7)1 99x x2 x 77 x2 2x8 6 7 x4 x216 3 8x27x x27x1 1 133 5 2x 30 6030v 70v4 7x x5 x 59 x2 4x8 2 52x4 4x216 9 95x29x x29x x x8 x1 x5 x8 46 x5 5x3x2 8x2x 8x81 3 52 2x1 4x2 8a3 x5m 10x x5 30 3040v 50v2 6x x1 5 6x2 x6 2 7x8 x x 77x4 (x4

5、)(x2)3 78x x1 x 88 x6 6x18 3 6 x8 x264 8 6x28x x28x1 1 143 8 6x 80 5020v 50v8 1x x6 x 11 x2 2x4 4 62x3 4x29 6 58x25x x25x x x9 x4 x2 x8 11 x5 5x3x3 5x2x 4x41 4 44 4x2 8x4 9a7 x6m 20x x8 20 1010v 60v4 9x x9 5 6x6 x7 3 7x7 x x 42x2 (x2)(x9)4 99x x7 x 62 x3 3x9 3 2 x4 x216 7 9x24x x24x1 1 163 5 2x 60 4

6、010v 50v3 2x x5 6x 33 x2 4x8 8 75x4 25x216 2 35x28x x28x x x8 x5 x4 x6 91 x3 3x3x4 2x2x 3x31 3 53 3x3 6x6 8a8 x3m 80x x2 10 2020v 80v1 9x x7 4 7x2 x5 4 9x7 x x 26x6 (x6)(x5)3 67x x5 x 62 x5 5x25 7 5 x6 x236 3 9x22x x22x1 1 184 8 3x 10 2020v 50v1 4x x7 x 22 x2 3x6 3 59x8 81x264 6 74x26x x26x x x8 x9

7、x3 x8 74 x5 5x3x3 8x2x 9x93 1 44 4x3 8x6 8a4 x5m 20x x6 30 3020v 80v4 8x x5 3 6x8 x6 5 6x3 x x 32x7 (x7)(x4)5 98x x9 x 95 x2 2x2 9 1 x3 x29 1 4x25x x25x1 1 132 8 4x 50 8010v 50v3 1x x6 2x 27 x1 3x3 1 58x6 64x236 7 86x28x x28x x x7 x4 x5 x9 12 x5 5x2x3 3x2x 2x25 4 34 2x4 4x8 6a8 x7m 10x x5 60 7030v 5

8、0v1 9x x4 2 6x4 x3 2 9x6 x x 22x9 (x9)(x2)1 83x x1 x 96 x4 4x4 6 8 x2 x24 6 4x26x x26x1 1 142 6 3x 40 9030v 60v7 3x x2 6x 64 x2 2x4 9 93x1 9x21 7 34x28x x28x x x9 x5 x1 x7 26 x1 1x2x2 4x2x 6x62 4 13 4x4 8x8 5a1 x8m 30x x8 20 3030v 80v4 9x x1 4 7x1 x4 4 8x6 x x 72x5 (x5)(x4)2 82x x8 x 63 x3 3x9 3 2 x

9、4 x216 8 8x26x x26x1 1 183 5 6x 30 1030v 70v2 7x x9 x 73 x2 2x4 9 25x4 25x216 6 84x22x x22x x x6 x8 x4 x9 86 x5 5x3x1 3x2x 5x55 3 34 4x2 8x4 3a5 x2m 50x x8 30 7020v 80v5 8x x3 5 9x3 x9 4 7x5 x x 54x2 (x2)(x3)5 62x x3 x 82 x2 2x6 1 8 x6 x236 8 5x24x x24x1 1 152 8 4x 90 5010v 70v1 5x x9 x 41 x2 4x8 4

10、65x8 25x264 5 27x27x x27x x x9 x5 x2 x7 54 x4 4x3x5 5x2x 6x61 1 33 2x4 4x8 5a3 x1m 50x x4 60 8020v 50v3 8x x9 4 6x4 x6 3 9x3 x x 82x4 (x4)(x7)5 88x x8 x 66 x5 5x5 6 2 x1 x21 4 5x24x x24x1 1 194 5 5x 70 4010v 50v2 8x x5 4x 22 x1 2x2 2 15x2 25x24 6 11x23x x23x x x6 x2 x2 x6 71 x3 3x3x6 2x2x 8x84 4 45

11、4x1 8x2 2a5 x1m 30x x9 60 2010v 70v4 8x x5 4 7x4 x6 4 9x8 x x 23x2 (x2)(x4)1 72x x1 x 74 x4 4x12 9 5 x5 x225 3 2x27x x27x1 1 183 8 5x 60 5040v 80v9 8x x6 3x 93 x1 4x4 4 38x1 64x21 6 93x27x x27x x x6 x3 x4 x7 28 x3 3x4x5 6x2x 2x21 4 43 4x1 8x2 8a6 x9m 70x x5 60 7010v 60v5 6x x3 1 9x7 x2 2 6x8 x x 12x9 (x9)(x9)5 87x x3 x 81 x6 6x6 6 9 x8 x264 9 9x23x x23x1 1 124 5 5x 10 5010v 60v9 7x x7 x 61 x1 3x3 2 66x9 36x281 2 89x23x x23x x x6 x9 x4 x6 47 x1 1x4x1 2x2x 8x81 4 62 2x2 4x4 2a2 x1m 90x x8 80 6040v 80v2 8x x3 1 8x9 x5 4 8x3 x x 22x3 (x3)(x5)1 76x x8 x 97 x2 2x4 2 9 x6 x236 3 5x22x x22x