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- 1如图四边形abcd是平行四边形,ef是对角线ac上的两点角1等于角2,求证①ae等于cf②四边形ebfd是平行四边形谢谢了给好评哟呵呵谢谢啦
- 2需要相遇问题和追及问题的小故事 (在线等,很急!)
- 3it is one he is in a position to answer the question怎么翻译?
- 4Her heart is in the right place.
- 5The fork is on the left.The knife is on the right.
- 6Tom and his parents are going to 【Beijing】.对括号内的提问
- 7It's Sunday.There is ( ) school today.Let's go ( ) and play.
- 8一个分数,加上它的一个分数单位后是1,减去它的一个分数单位,约分后是7/8,这个分数是多少?
- 9“熊猫主要吃新鲜的嫩竹子”用英语怎么说
- 10如图,Rt△ABC中,∠C=90°,D为BC上一点,∠DAC=30°,BD=2,AB=23,则AC的长是( ) A.3 B.22 C.3 D.323