人教版初二数学上册分式方程专项练习题14.docx

1、人教版初二数学上册分式方程专项练习题14 5 95x8 25x264 5 83x22x x22x x x6 x3 x5 x6 66 x5 5x4x4 2x2x 2x21 2 15 3x1 6x2 2a2 x5m 10x x9 90 2040v 50v3 6x x8 1 9x9 x8 4 7x2 x x 35x5 (x5)(x5)4 88x x4 x 87 x6 6x24 8 5 x8 x264 4 4x27x x27x1 1 134 5 4x 60 9040v 50v2 9x x2 x 21 x2 2x4 4 33x8 9x264 6 94x28x x28x x x9 x9 x4 x9 22

2、x2 2x4x5 1x2x 2x21 3 55 3x1 6x2 7a5 x4m 60x x4 60 5030v 70v3 8x x8 3 9x9 x1 2 6x2 x x 37x1 (x1)(x8)5 66x x8 x 64 x4 4x8 4 3 x2 x24 8 2x26x x26x1 1 132 6 3x 70 1020v 50v3 2x x4 x 64 x1 2x2 7 16x2 36x24 1 59x22x x22x x x9 x9 x3 x8 49 x2 2x2x1 5x2x 9x91 4 55 3x1 6x2 9a3 x5m 90x x7 10 4040v 50v5 7x x4 4

3、 7x8 x7 5 7x6 x x 94x6 (x6)(x6)1 65x x7 x 98 x2 2x6 2 7 x4 x216 1 7x22x x22x1 1 122 8 5x 60 6020v 50v6 6x x7 5x 42 x1 4x4 3 96x5 36x225 4 58x22x x22x x x7 x8 x1 x9 79 x5 5x3x6 8x2x 8x81 4 54 4x2 8x4 3a7 x5m 20x x8 20 2020v 60v5 7x x4 5 8x4 x2 2 7x4 x x 75x5 (x5)(x9)1 66x x9 x 74 x6 6x12 8 3 x3 x29 7

4、 3x26x x26x1 1 172 7 6x 50 9010v 70v7 8x x1 6x 35 x1 3x3 1 79x6 81x236 4 93x22x x22x x x8 x1 x4 x7 48 x4 4x4x4 9x2x 2x23 1 62 2x1 4x2 7a7 x5m 30x x1 30 3030v 50v4 6x x7 3 9x1 x3 2 7x9 x x 92x6 (x6)(x5)3 98x x6 x 93 x5 5x25 1 3 x3 x29 1 3x25x x25x1 1 152 6 2x 60 4010v 60v5 9x x7 x 37 x2 2x4 5 73x3 9x

5、29 3 83x25x x25x x x8 x6 x5 x7 49 x3 3x4x5 5x2x 6x62 3 63 4x2 8x4 5a6 x3m 30x x1 70 9010v 80v1 8x x4 4 9x6 x6 1 7x2 x x 22x7 (x7)(x1)1 82x x2 x 93 x5 5x5 8 4 x6 x236 5 8x27x x27x1 1 164 5 2x 40 1020v 50v9 5x x7 6x 14 x1 2x2 2 43x9 9x281 8 75x26x x26x x x7 x7 x2 x9 66 x2 2x2x3 4x2x 4x43 2 44 4x4 8x8

6、9a9 x7m 70x x9 40 3020v 80v1 9x x3 4 7x2 x8 2 8x3 x x 55x4 (x4)(x4)5 85x x7 x 91 x5 5x10 2 7 x1 x21 5 7x23x x23x1 1 153 7 5x 40 4030v 50v5 6x x7 x 75 x2 4x8 6 25x6 25x236 1 94x28x x28x x x8 x9 x1 x8 91 x5 5x4x1 1x2x 4x43 3 44 4x4 8x8 2a5 x1m 50x x1 30 2040v 50v2 8x x5 1 6x5 x6 5 9x5 x x 32x3 (x3)(x9

7、)5 78x x7 x 63 x6 6x18 5 6 x1 x21 5 9x28x x28x1 1 163 5 6x 70 3010v 80v4 6x x7 x 69 x1 3x3 5 22x7 4x249 9 12x25x x25x x x8 x8 x5 x8 78 x2 2x4x4 4x2x 5x53 1 62 4x4 8x8 5a8 x7m 70x x5 90 8040v 70v1 8x x5 5 6x9 x5 1 7x9 x x 49x9 (x9)(x7)5 87x x7 x 65 x2 2x6 7 6 x3 x29 2 6x23x x23x1 1 193 8 5x 90 5010v

8、70v9 4x x8 x 15 x1 4x4 7 97x9 49x281 3 54x27x x27x x x7 x3 x2 x6 86 x1 1x2x5 5x2x 6x66 1 35 2x3 4x6 3a4 x6m 70x x8 50 6040v 70v3 8x x6 4 7x8 x4 5 6x6 x x 55x6 (x6)(x6)5 67x x6 x 91 x2 2x8 6 8 x6 x236 8 7x23x x23x1 1 193 7 3x 40 3020v 50v4 6x x7 5x 58 x1 3x3 3 93x1 9x21 1 17x23x x23x x x8 x5 x2 x7 67

9、 x4 4x2x2 4x2x 3x31 3 62 3x2 6x4 1a4 x8m 10x x4 70 1030v 60v4 6x x5 5 6x7 x7 1 6x7 x x 78x7 (x7)(x6)4 75x x3 x 98 x2 2x6 4 3 x1 x21 4 6x24x x24x1 1 114 8 3x 50 8020v 70v9 3x x3 x 82 x2 3x6 2 18x3 64x29 9 56x24x x24x x x8 x5 x2 x9 14 x1 1x2x1 3x2x 2x23 2 24 3x2 6x4 3a5 x5m 60x x3 90 6040v 80v3 7x x5

10、1 8x6 x4 4 8x3 x x 26x7 (x7)(x4)3 69x x8 x 97 x5 5x5 3 9 x5 x225 2 7x22x x22x1 1 174 6 5x 30 7030v 60v6 7x x6 x 33 x2 3x6 9 49x5 81x225 8 58x24x x24x x x7 x3 x2 x7 51 x1 1x3x6 8x2x 9x94 2 25 4x1 8x2 4a1 x2m 70x x7 70 5020v 50v4 9x x9 5 9x1 x9 4 6x4 x x 33x6 (x6)(x3)5 65x x4 x 73 x6 6x24 1 4 x7 x249

11、7 7x22x x22x1 1 113 7 4x 60 1040v 50v8 1x x3 2x 59 x1 3x3 5 38x2 64x24 4 36x22x x22x x x6 x5 x5 x9 26 x1 1x3x6 9x2x 7x71 1 65 2x2 4x4 5a7 x7m 50x x1 10 3030v 80v4 6x x4 2 8x4 x6 5 9x7 x x 67x1 (x1)(x2)5 74x x8 x 77 x5 5x15 7 9 x5 x225 3 8x26x x26x1 1 192 7 3x 80 7040v 60v6 9x x5 x 76 x2 4x8 3 62x8 4x264 8 99x25x x25x x x7 x7 x1 x9 37 x5 5x2x4 4x2x 6x61 3 54 4x3 8x6 9a5 x6m 60x x9 60 1030v 70v1 8x x9 4 6x6 x4 5 9x5 x x 16x1 (x1)(x4)4 96x x9 x 79 x3 3x6 2 7 x8 x264 2 9x23x x23x1 1 123 7 2x 40 3010v 70v9 4x x5 x 15 x1 2x2 1 28x7 64x249 8 24x29x x29x x x7 x1 x3 x8 41 x5 5x2x4 1x2x 9x9