问题
填空题
含有（ ）的等式叫方程。
答案
未知数
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含有（ ）的等式叫方程。
未知数
| 补全对话。 | |
| A: 1. , what's wrong? B: Oh…my clothes are out of style. 2. A: Well, maybe you should buy some new clothes. B: Yes, 3. A: Huh. Maybe you could get a part-time job in the evenings. B: I can't, because my parents want me to stay at home every night. I argued with them about it. A: Well, 4. You should talk about your problems. B: And guess what else is wrong? A: What? B: 5. I can't go to sleep.
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