1=4 2=8 3=16 4=28 5=36 6=44 7=106 8=?大神赐教

weiou_peng2022-10-04 11:39:541条回答

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眼泪知道爱你 共回答了18个问题 | 采纳率94.4%
大家的思路不对,应该这样理解
按前3个条件向下算:
1 = 4
2 = 8
3 = 16
4 = 32
5 = 64
6 = 128
7 = 256
8 = 512
“风飞落霞”你说的是这个意思吧?但你4到7的规律又乱了.吃饭先
1年前

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21. B 细节理解题。根据第一段可知:每门课每星期上三节,每学期要学四到五门课。因此每星期至少要上12节课。
22.B 细节理解题。文章第一段除介绍大学课程数及学制外,还提到可适当延长时间,还可到校外选课,因此B为正确答案。
23.A 推理判断题 。学生处于工作压力中是因为学业成绩会被记录下来给招聘人员看。
24.C 推理判断题 。文章最后一句话提到拥有这样的职位受人尊敬并对未来的事业有利,其他任何地方均未提到学生为何积极参与社团活动。
25.B 细节理解题。文中提到“The effective work of maintaining discipline is usually performed by students who advise the academic authorities.”,此处关键是对 maintaining discipline的理解,意为“维护纪律”,因此B为正确答案。
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1公顷=10000平方米 1平方千米=1000000平方米 所以,1平方千米=100公顷 所以,84公顷=0.84平方千米
数学大神进来.高一题目求解http://zhidao.baidu.com/question/175718379.html
数学大神进来.高一题目求解
http://zhidao.baidu.com/question/175718379.html 想不通中心对称和对称中心有什么关系.对称中心不是轴对称么,轴对称和中心对称一样吗.为什么解题用的是(kπ+π/2,0)而不是原点呢
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轴对称和中心对称不一样.中心对称是指一种对称关系.
对称中心是指在这种关系中,函数是以这个中心对称的.
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“唾手可得”嘛.
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看最外层电子个数是8的就稳定 稀有气体具有化学惰性 因此最外层电子为四 氦气的为2
记得采纳啊
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麻烦采纳,谢谢!
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2160km/h
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填!
麻烦采纳,谢谢!
完成14-15 大神帮忙!
完成14-15 大神帮忙!

残月飘香1年前0
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你说的肯定是千伏安,1000×0.8=800=0.8千瓦.
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化简x^2+3x+2=3x+6,x^2=4 x=2,或x=-2