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左边一个米右边一个广读什么这是怎么字 一元二次x²-18x+80=0 "左边一个金字,右边一个广字"这个字怎么读, 解求初三20道解方程题【一元二次】 直线2x-y+3=0关于直线x-y+2=0对称的直线方程是 直线y=2x关于点（3,-1）对称的直线方程是___.帮我想想(a+1)/2=3,(b+2)/2=-1 是什么意思 It reported that _____people in the world are suffering from the H1N1 flu.A.several thousands of B.the thousands C.thousands of D.thousandC.为什么 A.不可以 ,我查过有 several thousands of 这种形式 ,那为什么 不行呢 , We will have a party____the evening of May 1st We will have an Evening party( )Friday afternoon. My grandma was born in ___ .This year we will have a special party for her ___ birthday A.The 195最好有为什么 We have a party in the evening.(对划线部分提问) —————— —— —— —— ——in the evening? 21、倾角为 ＝30°的斜面体放在水平地面上,一个重为G的球在水平力F的作用下,静止在光滑斜面上,则水平力F的大小为_________；若将力F从水平方向逆时针转过某一角度 后,仍保持F的大小,且小球 已知a分之一加b分之一等于三,求9a+7ab+9b分之2a-3ab+2b的值. 已知a分之一加b分之一等于3,求（2a-3ab+2b）除以（9a+7ab+9b）的值 如图,B(6,0),E(0,6)直线y=3x+3与x轴,y轴分别交于A、C点P为直线BE上一点,且角CPE=角CAB（1）求∠PCA的度数（2）求点P的坐标. 如图,B(6,0),E(0,6),直线y=3x+3与x轴,Y轴分别交于A,C点,P为BE上一点,且角CPE=角CAB,求角PCA度数,求点P坐标 The baby was born _ six p.m._a cold morninga,at on b,at with 时态问题It was reported that more than one million people ignored light showersIt was reported that more than one million people ignored light showers on May 2,2008 to cheer the Olpympic torch relay in Hong Kong.为什么这里是ignored 而不 It is reported that the floods have left about _________ people homeless.A. two thousand B. two-thousands C. two thousands D. two thousands of 答案：A解释一下 求直线2X-Y+1=0关于直线X-Y+2=0对称的直线方程 It is reported that the foods have left about ______people homeless.A two thousandsB two-thousandsC two thousandsD two thousands of 选一个 Which city in China is above the clouds?Which city in Mexico has over 21 million people?最好用英语来回答 若a^3+b^3=35,a^2b-ab^2=-6,则(a^3-b^3)+(3ab^2-a^2b)-2(ab^2-b^3)的值是多少? 1：输出图形（要求采用for循环） ***** **** *** ** * 如图,B(6,0),E(0,6)直线y=3x+3与x轴,y轴分别交于A、C点P为直线BE上一点,且角CPE=角CAB1）求∠PCA度数（2）求点P坐标用八年级下学期的方法 证明在圆形磁场区域内,沿径向射入的粒子必沿径向射出. 改成否定句：1、alexandra is in egypt.2、alexandra is american.3、alexandra is from los angeles.4、alexandra is fourteen years old.5、her address is 40 park street 英语翻译Wong史蒂夫是在美国洛杉矶的中国博物馆导游,对么 初一语文上册人教版第五课 初一语文上册第五课课后题 已知直线a:2x+y-4=0,直线l,x+2y=0,求直线a关于直线l对称的直线m的方程 已知M,N是圆x^2+y^2+2x-2y-2=0上的两点,且关于直线x-y+2=0对称,坐标原点O在以MN为直径的圆上,求MN的方程?