猜你喜欢
- 1函数y=Asin(ωx+ψ)+k(A>0,ω>0),在同一周期内,当x=5π/3时,y有最大值7/3;当x=11π/3时,y有最小
- 2my dass room的作文
- 3I don't think any of the pandas can climb that tree 改写同义句
- 4五年级园地六描写人物外貌的句子课文
- 50.01摩尔每升HCL的PH是多少,此溶液中由水电离出的氢离子浓度是?
- 6You had better change your table manner改为否定句 给好评
- 7已知点P在圆x2+y2=5上,点Q(0,-1),则线段PQ的中点的轨迹方程是( ) A.x2+y2-x=0 B.x2+y2-y-1=0 C.x2+y2-y-2=0 D.x2+y2-x+y=0
- 8客车两车同时从甲乙两站相对开出,客车时行54千米,货车每时行48千米,两车相遇后又以原速前进.
- 9jack,do you know the man standing at the door?
- 10双原氧与人体呼吸的氧气有什么区别