如图,抛物线y=ax2+bx+9/2与y轴交于点a，与过a点且平行于x轴的直线相交于

已知a-b=根号三-根号二,b-c=根号三+根号二,求2（a的平方+b的平方+c的平方-ab-bc-ac)的值 ——Rose is good at maths.----________.A.Kate is B.So Kate isC.So does Kate D.So is Kate 梦到世界末日,是什么意思? 1.Please answer my question in a ____ voiceA.loud B.loudly C.aloud D.weak2.I have got two tickets _____ the concertA.on B.of C.for D.to We were sad at the ________(die)of the little catWho is the ____(murder)? l have so ______(many/much)work to do today2.l have got______(everything/everything)ready let's start 1.Don't draw on the w______,Liu Ying.Sorry,Mr.Wang.I won't do than again.2.Our English teacher often asks us to l______ from other students. 王安石 梅花的墙角数枝梅这一句诗中的数是什么意思? as 引导的定语从句也可以修饰一个句子吗?比如这句.I hope all the precautions against air pollution,as suggested by the local government,will be seriously considered here. 请尽快!晚上之前 越早加的财富越多! 请尽快!晚上之前 越早加的财富越多!:-) 请尽快!晚上之前 越早加的财富越多! 请尽快!晚上之前 越早加的财富越多!谢 甲乙两车共运一批煤,云完事,甲车晕了总数的十五分之七多九吨,乙车运的吨数相当于甲车的50%.这批煤有多吨.我急等着 我现在在做 我的英语阅读水平差,怎么办? 简单介绍一下你最喜欢的一件东西 求一些诗句,表达壮志未酬踌躇满志的那种最好是李白或者苏轼的,其他的很有气势的也很好. 简单介绍一下你最喜欢的一件东西 杜甫送别4句诗 以我心中的渴望为题写一篇作文.600字以上,多找几篇. 杜甫的诗句,要4句的. 杜甫诗.4句的. 在定语从句中,whom在什么情况下要加with 英语定语从句有关whom的问题＂指人时介词后的关系代词只能用whom＂这句话什么意思? 帮分析下英语结构是什么The first step towards getting somewhere is to decide that you are not going to stay where you are. 英语翻译在这段话中 it had been kept under wraps for 20,25 years如何理解,As soon as it became clear in the American consciousness that Polk’s aim in the Mexican War was to gain Southwestern territory—California and what’s now the Am Android os 中文的翻译是什么? 谁能告诉我宾语从句,状语从句,定语从句各5句 都说2012是世界末日, Android发音怎么读!中文翻译过来 Android翻译为中文怎么念 android的机器人叫什么名字