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- 2y=根号(2x-x^2)(1小于等于x小于等于2)的反函数为
- 3形容走路缓慢从容的姿态( )两字或四字的词语
- 4分明造句(两句)
- 5一轮船在两个码头间航行,往返一次共用18小时,顺水航行比逆水航行少用2小时,顺水航行的速度比逆水航行的速度每小时快4千米,球传在京税种的速度集及两码头间的路程.
- 6My brother really likes music an he s___ very well.
- 7the research group ()money and had to abandon the project
- 8my favourite season is spring(英语小短文)
- 9ehjoy,arrive,come,take,care,break,cost,call,happen,fit的过去式和过去分词是什么?
- 10如图,在矩形ABCD中,AB=3,BC=5,过对角线交点O作OE⊥AC交AD于E,则AE的长是_.