七英尺是多少厘米

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3道选择加填空谢谢 在△abc中,a4+b4+出=2c2(a2+b2),则∠C为( )A.60 B.30 C.120 D45或135我要解题方法!求助各路神仙帮帮忙…… 黄果树瀑布的声音.要真的声音! 初中英语说课也要全英文吗?准备明年考公招,笔试我个人不是很担心的,但是过了笔试的面试,我就有点找不着北了.成都这边初中英语说课一般要求全英文吗?说课的题目是临时给?还是提前给, 一道选择,三道填空,能做多少做多少 一道选择,已经三道填空求解 May I do sth?的肯定和否定回答各是什么? matlab导入了二维图形后,怎么旋转图形以得到三维图形我用的是MATLAB7.0 有15个红球,白球,黑球,摸到红球的可能性是3分之1,则白球有()个,红球有()个,黑球有()个 箱子里有2个红球,4个白球,任意摸一个摸到红球的可能性为() 因式分解:9a^2+x^2n+6a+2x^n+6ax^n+1 小学语文老师和初中英语老师当哪个好?乡镇的哈…给点建议和理由 一个箱子里装有6个白球和4个黑球 一次摸出两个球,在已知它们颜色相同的情况下,其颜色是白色的概率是 x^n-2x^(n-1)+x(n-2) 分解因式 一个袋中有10个黑球和若干个白球,先从袋中随机的摸出1个球,记下它的颜色后再放回袋中,重复上述过程500次,有300次摸到白球,口袋中白球的数目x应满足的等式是____ 立字旁加个羽念什么 立字旁+羽,这个字怎么念? 已知3x^2+2x+4=a(x-1)×(x+2)+b(x-1)-c,求a,b,c的值. 立字旁放羽 这个字读什么啊? on a fire hydrant box,you may read something like this:Break the glass ______there is a fireA in case B in case of c unless d whenever选哪个,为什么?(不要只给答案,我这边有) i want you to say /something different/ about this concert/ /中咋不能用 anything different,different anything,different something 呢 我是个营业员 问下这3句英文什么意思 May i show you something Shall i bring you this Enioy your stay 4.with,there,s,something,may,computer,one,wrong,new,you,is,this,use连词成句没人吗?跪求了 我国 两弹一星 专家有哪些 中国两弹一星发射的位置具体到省市,最好有个大体经纬度~ E是△ABC中BD上的点,连接EC,试说明∠BEC>∠A 在三角形ABC中,D为AC边上一点,E为BD边上一点,试说明角BEC大于角A After you discuss it with your deskmate ,you may know ( ) to say about it.三个选项:what; how; why After you discuss it _____your partner,you may know_____to do with it.with;how b.with;what c.for;how d.for;what说出理由. After 5 minutes' break,they continued___their travel.A.to discuss B.to discuss aboutC.discussing D.discussing about Discuss a public affairs leader whom you hope to model your career after. Describe why you chose this leader, as well as the steps you will take as a graduate Fellow to align yourself with this leader's values. 谁能想一个或者几个公共事务 Should women be stay-at-home mothers after they have children?Discuss it with your partner .帮我写一篇哪个对话吧!