题干
t−
=2−
．
| t |
| 1 |
| 2 |
| t |
| + |
| 2 |
| 3 |
答案(点此获取答案解析）
解：去分母得，6t﹣3t+3=12﹣2t﹣4，
移项、合并同类项得，5t=5，
解得，t=1．
