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已知函数f(x)=sin^x+√3sinxcosx+2cos^2x (1)求函数y取得最大值时,自变量x的集合 (2)求
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找错并改正my cousin often goes shopping with my mum and l
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9.Don't forget to come to my birthday party tomorrow.
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When the weather is bad,the birds will come back to the beac
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(2011•成都)已知m是奇数,n是偶数,x=p,y=q,能使x-1998y=n和199x+3y=m同时成立,则( )
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