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- 1如图,在△ABC中,AD平分∠BAC交BC于D,BE⊥AC于E,交AD于F,求证:∠AFE=1/2(∠ABC+∠C).
- 2What is the best thing to keep in hot weather?
- 3形容词和复词比较级和最高级专项练习
- 4catch(现在分词)
- 5已知直线L1:Χ+ΜУ+6=0与 ; L2:(Μ-2)Χ+3ΜУ+2=0
- 6Think of four things you did yesterday. Draw pictures of them in the box.是什么意思
- 7中国文化的特点和优缺点?
- 8does she speak the language well 翻译
- 9②1T内、2T内、3T内……nT内位移的比为 S1:S2:S3:……:Sn=12:22:32:……:n2怎么推导
- 10It's about ten () (minute) walk from here.应该填什么