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- 1"How do you do"is a very ___ question which you don't have to answer.
- 2已知x 加y 加z 等于零,则x的立方 加y的立方加 z 的立方等于什么?
- 3修一条路,甲队单独修6天完成,乙队单独修9天完成. (1)两队合修,几天完成任务? (2)如果甲队先修两天后,剩下的有乙接着修,乙队用几天可以修完?
- 4he will go to a university one day.同义句转换he will go to a university _ _.
- 5一项工作,甲单独做36天完成,乙单独做18天完成.那么甲乙合作,要几天完成?
- 6After he finished his homework,he went out for a walk.(改为同义句) _ _ his homework,he went ou...
- 7after class i have sports at two hours什么地方错了.
- 83乘以三等之一等于1.那0.33333……乘以3得……
- 9已知K1=K2,且K1、K2分别为直线L1、L2的斜率,那么怎样证明L1与L2不重合呢?
- 10雷锋乐于助人的事迹有哪些?