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已知A(2,-1),B(√7,2),若Y轴上有一点P满足|PA|=|PB|,则点P的坐标为 已知A(-2,1),B(3,7),P点在X轴上,且PA+PB最小,求PA+PB 1.480与260的和,乘它们的差,是多少?2.25除452的商比82的一半是多少? 关于单片机堆栈指针sp变化的问题1.如果(DPTR)=507BH,(SP)=32H,(30H)=50H,(31H)=5FH,(32H)=3CH,则执行下列指令后：POP\x05\x05DPH;POP\x05\x05DPL;POP\x05\x05SP;则：(DPH)= ___3CH___；（DPL）=___5FH___；（SP）=___50H___； 如上 堆栈的地址由SP的内容确定,其操作规律是 ? 雅思阅读怎么判断false和not given?题目源于剑桥雅思8中test 3 的一篇文章原文：.in a country so dependent on the export commodities and landscape driven tourism.New Zealand mainly relies on commodity import and tourism industry. 求解初三方程试题——用配方法解方程：（6x+7)²（3x+4)(x+1)=6 找规律填一填 4 2.4 1.44 （ ） （ ） 方程X²+1/X²+X+1/X=0如何解?,我刚初三,过程也要,谢谢 找规律0、4、12、44、164、612 （ ）请找出下一个数字 若当前SS=3500H,SP=0800H,说明堆栈段在存储器中的物理地址.若当前SS=3500H,SP＝0800H,说明堆栈段在存储器中的物理地址.答案是35000H~35800H这个跟物理地址=段地址*16+偏移地址不一样是吗?我的意思是 某系统中,已知建立堆栈时SS=2360H,SP=0800H,经过一段时间后,SP的内容变为0700H,则堆栈中有多少个字的数据（A ）A、80H B、50H C、100 D、100H 堆栈操作时物理地址是怎么形成的 英语翻译Last month,a federal judge canceled a ban on same sex marriage in Michigan.The judge said the ban violates the US Constitution's guarantees of equal protection under the law.Several hundred marriages were performed in Michigan in late Mar 英语翻译Having fewer children has long paid a so-called demographic dividend to rich countries in Europe and North America. 翻译一个voa里的句子They found that snacking has increased since the nineteen seventies. And what kinds of snacks have increased the most? Salty, high-fat foods like chips.The study also found greater snacking on cake, cookies and other treats 翻译一下VOA里面的一段话,谢谢!SmarterComics says "Think and Grow Rich" proves that "wealth is a lifelong pursuit achieved by believing in the value of personal ideas." It says anyone can achieve their dreams by refusing to be stopped by te 怎样选购电动车我在武汉,想购买一辆电动车,不知道什么样的好,请内行人士推荐 货物108件,分成4堆放在仓库里,第一堆的2倍等于第二堆的一半,比第三堆少2,比第四堆多2,每堆各有几件? 有货物98件,分成4堆放在仓库里,第一堆件数的2倍等于第二堆的一半,第一堆比第三堆少2件,比第四堆多2件.各堆分别有货物多少件?(不要方程) 有货物108件分成4堆第一堆件数的2倍等于第二堆的一半比第三堆少2件比第四堆多2件各堆分别有多少件 高中函数（文数）的几道题目1.函数f(x)=ax+b/1+x^2是定义在（-1,1）上的奇函数,且f(1/2）=2/5（1）求f(x)的解析式（2）用定义证明f(x)在（-1,1）上是增函数.2.对于函数f(x)=log(1/2）（x^2-2ax+3) 【注： 辽宁文数 第4 .10 .12题怎么写要过程http://tieba.baidu.com/f?kz=796063237 大学文数题,我实在是不会了,能答几道就答几道吧, 英语翻译World Food Prize Goes to Scientist From EthiopiaGebisa Ejeta developed sorghum seeds that resist drought andparasitic weeds.Transcript of radio broadcast:Tuesday,June 16,2009This is the VOA Special English Agriculture Report.Sorghum is an 英语翻译And speaking of two-for-one,a reminder that you can stay two nights at Happy Inn Motels across America for the price of one.和where we take your money with a smile" - will be on hand back in Coach to assist you 英语翻译But he also wrote about the long history of battles over presidential powers,or what is known as "executive privilege." Presidents have expanded their powers during wartime and also during times of peace.Peter Baker noted that before Thom VOA英文翻译请问 Scores of condominium buildings dot the skyline of Miami中scores如何解释? 1位农夫带了一只羊,一头狼,一筐菜过河,只有一条船一次只能带一个人和一样东西,要使狼不吃掉羊,羊不吃掉菜 怎样最少次数把它们全部带过去? 2011年12月17日雅思阅读第三篇是 yes/no/not given 还是true/false/not given?第一篇呢?我记得第一篇是true/false.第三篇是什么啊, 汇编小题：（SS）=338AH,(SP)=450H,执行PUSH BX,PUSHF后,堆栈顶部的物理地址是?设（SS）=338AH,(SP)=450H,执行PUSH BX,PUSHF后,堆栈顶部的物理地址是? 给出解答步骤 谢谢! 求数字军团穿越还珠的文二三四五七八九十、十二、十四、十五、十六、十七、十八都行……看过四四和九九穿越还珠的,不过都好短未完,有没有别的?其实也不一定非得数字军团,反正爱新觉