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- 2送礼物和收礼物一样快乐的英文翻译【】gifts【】as pleasant as【】【】 不要使用翻译工具,
- 3如图,M是线段AB的中点,点C在线段AB上,且AC=4cm,N是AC的中点,MN=3cm,则线段AB=_cm.
- 4This is the first time that Apple has changed the size of the iPhone's display ,( )3.5 inches since the original one was
- 5已知函数f(x)=x2+ax+1,f(x)在x∈[-3,1)上恒有f(x)≥-3成立,求实数a的取值范围.
- 6在△ABC中,AB=AC=BC,P为三角形内的一点,PA=2,PB=A,PC=根号3,求△ABC的面积是多少
- 79分之7减(6分之1加9分之4)等于多少?
- 8“You should ______ ________ (上交) your homework before school is over ,"our teacher said to us.
- 9己知25%氨水的密度为0.91g/cm3,5%氨水的密度为0.98g/cm3,若将上述两溶液等体积混合,所得氨水溶液的质量分数是( ) A.等于15% B.大于15% C.小于15% D.无法估算
- 10连词成句:you,is,can,it,guess,what(?)