部审人教版八年级数学下册精品ppt课件17.2 第2课时 勾股定理的逆定理的应用
的知识有了一定的认识,你能说出它们的内容吗?回顾与思考 a2+b2=c2 (a,b为直角边,c斜边)Rt△ABC,∠C是直角勾股定理勾股定理的逆定理a2+b2=c2 (a,b为较短边,c为最长边)Rt△ABC,且∠C是直角
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的知识有了一定的认识,你能说出它们的内容吗?回顾与思考 a2+b2=c2 (a,b为直角边,c斜边)Rt△ABC,∠C是直角勾股定理勾股定理的逆定理a2+b2=c2 (a,b为较短边,c为最长边)Rt△ABC,且∠C是直角
下列关于化学的看法错误的是( ) A.化学可以为人类研制新材料 B.化学正在环境保护中发挥重要作用 C.化学可以为人类提供新能源 D.化学的发展必然导致生态环境的恶化 2.创立和奠定近代化学基础的是( ) A.会制造劳动工具
点击添加内容标题点击添加内容标题135目录 3. 点击添加标题Click here to add a title1 4. 时间管理 Time management管理能力 Management ability应变能力
Contents 3. Part 1 brief introductionIn 2014, Dai Wei, a graduate of Peking university, and four partners jointly
二次根式的乘法法则:二次根式相乘,________不变,________相乘.根指数被开方数归纳总结注意:a,b都必须是非负数. 在本章中,如果没有特别说明,所有的字母都表示正数. 10. 典例精析例1 计算:解:
demonstrate on a projector or computer, or print the presentation and make it into a film to be used in a wider
the end of this lesson, you should be able to have a good command of □the tips of every sections □commonly-used
14. 例2:盈亏平衡法固定成本:A、B、C,分别为:30、60、110万元;单位变动成本分别为:750、450、250元,估计年销售量为2000个。 解:计算总成本 A=1,800,000 B=1,500,000*
1. 1. a. 能品尝苯硫脲是一种常染色体显性表型,不能品尝出该化合物的表型是隐性的。一位妇女的父亲是非品尝者,而自己具有尝味能力。一位男子有过—个无尝味能力的女儿,若这两人结婚,则他们的第一个孩子
Topics2 4. Double-Digit Increase for Second Year in a RowPer employee costs in excess of $5,600 per year-2
yourself. What will you talk about? My name is… I am a… I was born on … in… I graduated from… I like…/am
Organizations组织机构中的信任As an organization develops, trust becomes a measure of the strength and sustainability of the
),一般流行歌曲的主要组成部分有: A、B、C、D 、E ……PART ONE 流行歌曲的主要组成部分 3. EABCDPART ONE 流行歌曲的主要组成部分主题,也叫主歌,如果主歌有两个部分,就分别称这两部分为A1、A2副歌,
Control IT costsCEO Management Priorities for ITCIOM a g a z i n e 4. Minimize risk: Ensure security and continuity
sea but did not see the waves rolling, leaving only a light shadow for people to ponder. Falling rain is
did John do last night ?He went to the zoo.He saw a film and played ping-pong.He watched TV. 3. Mr Li’s
Product Development Process Case Study: Designing a complex application suite Case Study: Merger of Compaq
Product Development Process Case Study: Designing a complex application suite Case Study: Merger of Compaq
1. Unit 3 Where did you go?Part A绿色圃中小学教育网http://www.Lspjy.com 绿色圃中学资源网http://cz.Lspjy.com绿色圃中小学教育网http://www
Company International Company w/ local relevancy A brand desired to own (Progressive/ Energetic)FLH Primary