點擊/回復 | 標題 | 最後回復 | 發表時間/侃吧 |
603/2 | 1,3,9,27,...,3ⁿ⁻¹ | 7-26 | 7-26 |
402/0 | 已知抛物线y2=4px,弦AB过焦点F,设|AB|=m,三角形AOB的面积为S,则S2/m为定值 | 7-26 | 7-26 |
429/0 | 已知抛物线方程y²=4x,过焦点作直线L交抛物线C于A、B两点,则1/AM+1/BM恒为定值(AM和BM是长度) | 7-26 | 7-26 |
455/0 |
已知椭圆C:x的平方/a的平方+y的平方/b的平方=1(a>b>0)的离心率为三分之根号三,以原点为圆心,椭圆短半袖长为半径的圆与直线x-y+2=0
已知椭圆C:x的平方/a的平方+y的平方/b的平方=1(a>b>0)的离心率为三分之根号三,以原点为圆心,椭圆短半袖长为半径的圆与直线x-y+2=0,若P与A、B均不重合,设直线PA与PB... |
7-26 | 7-26 |
442/1 |
已知椭圆C:x的平方/a的平方+y的平方/b的平方=1(a>b>0)的离心率为三分之根号三,以原点为圆心,椭圆短半袖长为半径的圆与直线x-y+2=0
已知椭圆C:x的平方/a的平方+y的平方/b的平方=1(a>b>0)的离心率为三分之根号三,以原点为圆心,椭圆短半袖长为半径的圆与直线x-y+2=0相切,A、B分别是椭圆的左右两个点,P为... |
7-26 | 7-26 |
432/4 |
已知集合A={x∈R|mx2﹣2x+3=0,m∈R }。若A中至多只有一个元素,则m=0或m≥ 1/3
已知集合A={x∈R|mx2﹣2x+3=0,m∈R }。若A中至多只有一个元素,则m=0或m≥ 1/3 |
7-26 | 7-26 |
399/0 |
已知abc为三角形ABC的三边的长,且满足a^2+b^2+c^2=ab+bc+ac,则ABC的形状是等边三角形
已知abc为三角形ABC的三边的长,且满足a^2+b^2+c^2=ab+bc+ac,则ABC的形状是等边三角形 |
7-26 | 7-26 |
435/0 |
已知不等式x∧2+(1-m)x+1>0对任意的x∈(-1,+∞)都成立,则m可以在{-1}U(3,+∞)中随便取值。
随便取值! |
7-26 | 7-26 |
411/1 |
She remains working.
I remain practising English. |
7-26 | 7-26 |
357/0 |
Why does he become the admin?
Because he wants to remove some posts. |
7-26 | 7-26 |
424/3 |
How many stones have fallen?
How many stones had fallen before the plane landed? |
7-26 | 7-26 |
783/14 |
Did she jump down the building?
Where did she jump down the building? For what reasons did she jump down the building? What di... |
7-26 | 7-26 |
417/1 |
For what reasons do you study English?
For what reasons don't you learn French? |
7-26 | 7-26 |
349/0 | He must be very angry now. | 7-26 | 7-26 |
394/0 |
Why didn't she eat ice-cream?
She wanted to. But she had no money. |
7-26 | 7-26 |
419/0 |
Why are you looking at the blackboard?
Because the shadow on the blackboard is .. |
7-26 | 7-26 |
397/0 |
What are you thinking?
I'm sorry that he has jumped down the building with red blood. |
7-26 | 7-26 |
420/0 |
What food do you like in Australia?
I like French Fries. |
7-26 | 7-26 |
438/1 |
What language do people there speak?
They speak English. Hello |
7-26 | 7-26 |
405/1 |
Why do you like Australia?
Because the animals there are very cute. |
7-26 | 7-26 |
393/0 |
今天下午终于来电了
我爸说:如果他今天没去找市政府,那么星期一都不会来电。 |
7-25 | 7-25 |
361/0 | 截止今天,家里已经停电3天多了。 | 7-25 | 7-25 |
444/4 |
今天我来到爷爷家
发现他家里已经有3台电脑了的说 |
7-23 117.177.119.* |
7-23 |
681/0 |
【解决办法】Windows8下突然不能用PS2接口的鼠标和键盘的解决办法
我的解决办法如下: 1.先进boss,用键盘随便移动光标,然后不保存任何设置退出boss 2.插一张ghost的系统盘(可以在网上下载,也可以花几块钱买),用键盘选择PM繁体版分区工具,或... |
7-21 | 7-21 |
1136/3 |
【转载】最悲催的事情,是不是rm -rf /xxx 结果手快敲成了 rm -rf / xxx?
大家说说做系统运维最悲催的事情是什么? 我曾经有一次做系统维护,想删除一个目录下的全部文件, 本来要敲 rm -rf /xxx 的 结果/xxx中间多了个空格变成了 / xxx... |
11-4 | 7-21 |
400/0 | to be burnt to ash | 7-20 | 7-20 |
536/0 |
又话说本吧百科是谁写的说?
今天才发现的说。 |
7-19 | 7-19 |
664/2 | 这说明,这次合并还是有很多漏洞 | 7-20 | 7-19 |
1051/5 |
现在才发现,浅风仁樱早在2011年9月30日就注册了
尽管arslanbar倒闭前她只发了一个帖子 @浅风仁樱 @硫化浅风 |
11-11 | 7-19 |
589/5 |
四川太危险了
我必须尽快离开四川 |
7-19 | 7-19 |