hi hello
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9.动点P到直线的距离减去它到M(2,0)的距离之差等于2,则点P的轨迹是( ) A.直线 B.椭圆 C.双曲线 D.抛物线 why??请老师给出解题详细内容! 谢谢老师!
解题思路: 抛物线
解题过程:
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最终答案:略
解题过程:
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最终答案:略
hi hello
Hello,Mike! -- Hi
hello,hi那个号 英语翻译
和外国人打招呼用HI还是HELLO
hi!和hello!英语高手进.
hi!你知道hello的同义词是什么?
求一个幼儿英语律动 歌词是Hello hello hi hi hi how are you I am fine than
1:hello ,my dear!2:hi there How are you
Hi!Who's that speaking?----Hello!_____ Tom!
good morning!下一句接morning!还是hello!还是hi?
不要那些问好的.例如什么HELLO HI的.
How do you do?比hi hello how are you