已知定点A(a,0)其中0
猜你喜欢
- 1含有近义词的四个字词语
- 2物理机械效率题!~要详细解答!~谢谢!~
- 3The zoo-keeper likes the baby monkey.(改为否定句
- 4随机变量X,Y的方差分别为4和1,相关系数为0.5,则随机变量3X—2Y的方差为多少?
- 5已知x/y=3,求y²分之x²+xy的值
- 6这是我的狗的名字用英语怎么说啊?
- 7I've是哪两个词的缩写
- 8look forward to doing中,to是介词?Ving相当于介词?
- 9函数f(x)=-x负2次方的增区间是?,减区间是?
- 10the seasons in Australia are not like ours.When it is winter in china,it is summer there.