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四分之三米的（）是五分之三 跪求六年级上册数学（人教版）黄冈小状元P8的第6、7题答案!急.问：在半径为12厘米的圆形音乐喷泉的外面,围绕着一条8米宽的环形观景台.这条环形观景台的面积是多少平方米?（第6题）问： 比25吨的五分之四多五分之四吨的数是多少吨? 把一个长40厘米,宽25厘米,宽8厘米的长方体锻造成一个立方体铁块问（1）锻造成的立方体铁块棱长是多少?2）把这个立方体铁块切割成8个相同的小立方体,则小立方体的棱长是多少? 1.已知两个多边形的内角和总数为1800°,且两个多边形边数之比为2：5,求这两个多边形的边数. 已知两个多边形的边数之比为1:2,内角和的度数之比为1:3,试求这两个多边形的边数.RT... 已知一个多边形的每个内角都等于135度,求这个多边形的边数.越详细越好, 已知一个多边形的内角和为1440求这个多边形的边数?带公式 英语翻译 英语翻译Five years ago,David Smith wore an expensive suit to work every day."I was a clothes addict," he jokes."I used to carry a fresh suit to work with me so I could change if my clothes got wrinkled." Today David wears casual clothes - khaki p 英语翻译各位评委老师,小朋友们, cos31度是多少(保留根号) 英语翻译我晚上5点之前要用 In the movie Cast away,Tom Hanks plays a man named Chuck Noland.Chuck is a businessman who is always so busy that he has little time for his friends.He is a successful manager in a company that sends mail all ove 一个正多边形的一个内角为120度,则这个正多边形的边数为多少 英语翻译Computer software can be roughly divided into two kinds:the system programs,which manage the operation of the computer itself,and the application programs,which solve problems for their users.The most fundamental of all the system program 已知一个正多边形的一个内角是120°,则这个正多边形的边数是____ 正多边形的一个内角为135度,则该多边形的边数是（ ） sin90°-31° 为什么等于cos31° 英语翻译(AP) NEW YORK - Chants of "Let's go,Andy!" rang out between points during the last service game of his career,and again before the start of what would wind up as the last return game.Always a fan favorite at the U.S.Open,and the 2003 cham 英语翻译Music transcription could be defined as an act oflistening to a piece of music and writing down musicnotation for the piece.Transcription of polyphonicmusic (polyphonic pitch recognition) converts anacoustical waveform into a parametric r 英语翻译A comparison of the Coriolis erosion behavior of a wide range of commercially available cast wear and corrosion resistant and hightoughness alloys used in pump manufacture,has confirmed anticipated performance ranking and the superiority 已知一个多边形每个内角都是150°,则这个多边形的边数是多少? 二次函数y=ax²+bx+c,x=-2时y=-6,x=2时y=10,x=3时y=24求此函数的解析式 二次函数 y=ax²+bx+c,向左移动3个单位是否等于y=a（x+3）²+b(x+3)+ctongshang. 二次函数y=ax²+bx+c,当x=2时,y最大=3,当x=3时,y=1,求此函数的解析式 英语翻译Stephanie Thomas,a learning support teacher whose findings have been published,was inspired to investigate this area.特别是“a learning support teacher”应该怎么翻译呢?一定要翻译成地道的中文!不要翻译机器! 英语翻译,我是XX店的xx,由于样机长时间工作,现无法正常出风,请问可否更换premax滤芯.楼下翻译的不好 英语翻译使用者的水平只有2级不到,请不要使用高级的,太难的语法表现等.先谢谢热心的朋友们了.“下午没有课,所以我让女朋友来帮我打扫卫生,她当然是不情愿的,我只能给她点好处,答应打 英语翻译different worlds shakin stirrin thats what ive got goin on i throw my cares up in the air and I don't think they're comin' down Yeah,I love how it feels right now This is the life!Hold on tight!And this is the dream It's all I need!You ne 若一个正多边形的每一个内角都是120°,则这个多边形是几边形快点回答啊明天就要交 若一个正多边形的每个内角都为120°,则这个正多边形的边数是? 若一个正多边形的一个内角是120°,这个正多边形的边数是（）要答案公式是什么?叙述清楚快~