| 5 |
| 8 |
| 3 |
| 4 |
| 3 |
| 4 |
| 7 |
| 8 |
| 2 |
| 5 |
| 5 |
| 18 |
| 5 |
| 8 |
| 3 |
| 4 |
| 5 |
| 8 |
| 5 |
| 8 |
| 3 |
| 4 |
| 5 |
| 8 |
| 11 |
| 8 |
| 3 |
| 4 |
| 7 |
| 8 |
| 3 |
| 4 |
| 3 |
| 4 |
| 7 |
| 8 |
| 3 |
| 4 |
| 1 |
| 8 |
| 2 |
| 5 |
| 5 |
| 18 |
| 2 |
| 5 |
| 5 |
| 18 |
| 5 |
| 18 |
| 5 |
| 18 |
| 2 |
| 5 |
| 5 |
| 18 |
| 11 |
| 90 |
科目：小學數學 來源：不詳 題型：解答題
| 19x-8x=55 | 2×（7x-4x）=18 | 6x+8x=1.4×3 |
| 5x+0.1x=50+6.1 | 7.2x-3.6x=9×0.4 | 20=5x-3X． |
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