数三角形个数的规律图

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英语翻译1.they dug a hole in the wall of the the house2.they suit has been specially designed so that it can be cleaned under the showerhead3.believe in yorself and be prepared for anything in the future4.pigeons can fly quickly over a large area 烦恼-名人名言 请问爱因斯坦智商到底多高 爱因斯坦的母亲智商有多高 如图所示,∠1=70°,∠2=110°,试用三种方法判断AB//ED. 如图,∠1=∠3=60°,∠2=120°,可以判断哪些直线平行嘛?说明理由 2010国内外重大时事 八年级上册英语阅读理解题及答案、翻译 2010年12月国内外重大时事简介 英语翻译Bill works for a computer company.Yesterday morning,he called his office to ask for a leave.Mr Black,his boss,agreed to give him a leave beacuse Bill sounded very ill on the phone.Mr Black told him to go to see a doctor and to stay in bed 英语翻译首字母填空并翻译全文 请人工翻译,非人工翻译不加分When the Americans were getting r_____ to send their men to the moon,an old Irishman was w_____ them on TV in a waiting room.There was an English man in the waiting ro 英语翻译In the modern world,"how to keep healthy" becomes one of the most popular topics.But"how to"?Here I want to give you some advice.I think there are three points you should pay attention to.First,you should have a regular life:go to bed and 如图,已知∠DCE=80°,∠BEF=100°,试说明AB//CD. 如图,已知AB平行CD,角1=角2,问角BEF与角EFC之间的关系,并说明理由 用5,6,7,8这四个数字组成两个两位数,使它们乘机最小,这两个字分别是______和 哈哈,智商100是什么概念?海豚,哈哈 用0 7 6 5组成两位数 完成下面要求用0 7 6 5组成两位数 完成下面要求 含有因数3的偶数) 用5.6.7.8组成两个两位数,使他的积最小要用差越大,积越小的方法! 4.5.6.7.8.五个数字组成三位数乘两位数,最少的积是多少 (请详尽,重庆版 八年级上册数学第一单元习题答案 八年级上册数学第一单元华东师大版习题 谁可以推荐几首具有人生哲理的歌曲? 有哪些有哲理的小故事? ()的哲理 已知等差数列{an}的前n项和为sn,a8=2,s8=-681,求数列an的通项公式 2.求数列|an|的前n项和Tn 具有哲理的小故事必须是 名著 里的 已知(an)为等差数列,且a4=14.a5+a8=48,1.求(An)的通项公式 2设sn是等比已知(an)为等差数列,且a4=14.a5+a8=48,1.求(An)的通项公式2设sn是等比数列bn的前n项和,若b1=a1,且3S1.2S2.S3成等差数列,求S4 用1-9 利用加减法使3个等式成立快只能9个数我要的算式是例如;A+B=C或A-B=C的! 9 8 7 6 5 4 3 2 1=28之用加减法使这个等式成立 晕——大自然的天气预告图 概括说明本文是从哪几个方面来说明“晕”的? 选择与下列成语中加点字的意思相同的词语或成语,把选项填在前面的括号里(1)( )眼花缭乱 (加点字:花)A.老眼昏花(加点字:花) B.花言巧语(加点字:花) C.走马观花(加点字:花