41.圆柱体CAN, 半径=R,高=H, 若另一个圆柱体积相同,r=2/3 R, 那么高h为多少?
9/4h
42.DS: 两个数列S,T,S 由偶数组成,T由奇数组成,两个数列个数相同,问S的MEDIAN 和T的算术平均值谁大?
S,T 为连续的数
S的算术平均值大于T的
43. 4523617
7 个数字中,哪个数字增加1,乘积增加小于1000?
A. 1
B. 2
C. 5
D. 7
E. 4
44. N 有几个不同的质数?
A. N 是7200的因子
B. 180 是N的因子
45. M, P, T 是positive integer, m
A. T-P=P-M
B. Forgot
46. 一个序列,从第三位数起,每个数都与它前面连续的两个数的和有关,the number is the sum of the 2 numbers in the sum is odd or if the sum of the 2 numbers are even, the forth number is 7 and the fifth number is 5, what is the first number?
47. Give the English definition of standard deviation, 2 or 3 lines, there are 4 numbers, 9, 8, 7, 4, ask the standard deviation of these 4 numbers?
48. X, Y 是正整数,X 是3的倍数吗?
A. X-Y 是3的倍数
B. X-2Y是3的倍数
49. N除以3的余数是多少?
A. N除以2 余1
B. N+1除以3 余2
50. 正方体内有以内切球,直径为6,求正方体内最长的一条对角线长度
51.一正方形,10 20, 59, 求周长范围
52.
A. S, T 关系
B. t 1
题目记不清,但是通过A, 求出T 有两值1,2,根据B,可确定T=2, 则答案选C
53. 卖门票 on Monday Tuesday, childrens ticket $7 each, adult $10 each, childrens number on Tues is twice the number on Monday, adults number on Tues is the number on Monday, the total revenue on Monday is $2700, revenue on Tuesday is $2400, whats the childrens number on Monday?
54. 2
55.3个不同的旗子排列视为一个信号,有四面不同的旗子,可排成几个信号?
56.从50加到100的和?
57.孩子们拿笔,either 3 pens , 2 pencils, or 1 pen, 3 pencils, the average pen number is 1.6, whats the average pencils number?
58. lottery $16 billion, separate as gifts, government payment, and expense, give the relation of payment and gift the relation of payment and presentation, ask the payment in $ amount
59. 7 red tomatoes, 5 green tomatoes, ask the probability of all 3 tomatoes are red .
60. 某数的80%是多少?
国内英语资讯:New infections of novel coronavirus drop for 12th consecutive day outside Hubei
国内英语资讯:Chinese, EU top diplomats discuss bilateral ties, COVID-19 fight
国际英语资讯:EIB pledges billions of euros to Greece in 2020
体坛英语资讯:Atletico Mineiro confirm Venezuelan Dudamel as new manager
体坛英语资讯:World Cup champion Fan Zhendong close to world championships berth
My Idol 我的偶像
国际英语资讯:News Analysis: Turkey shifts strategy by increasing military presence in Idlib after Syrian
国际英语资讯:Roundup: U.S. Attorney General Barr under fire over cases linked with Trumps former allies
国内英语资讯:China stresses winning battle against poverty while fighting epidemic
国内英语资讯:China Focus: China rallies scientific efforts for effective treatments amid epidemic
体坛英语资讯:New coach says China mens football players must be ready to fight
国际英语资讯:U.S. Senate passes resolution limiting Trumps power to launch military operations against
国内英语资讯:China pushes for differentiated measures to battle coronavirus
体坛英语资讯:Argentina defender Insua completes Galaxy move
为什么情人节要送巧克力?
国际英语资讯:Russian govt amends 2020-2022 budget to fund Putins initiatives
国际英语资讯:Zelensky, Putin discuss Donbass ceasefire by telephone
Both Economic Development and Environmental Protection are Indispensable 经济发展和环境保护不可缺少
国内英语资讯:China Focus: China dispatches over 20,000 medics to aid anti-virus battle in Hubei
国内英语资讯:Xi, Malaysian PM talk over phone on novel coronavirus epidemic
国际英语资讯:Canadian minister meets Indigenous representatives on rail blockade
体坛英语资讯:Maradona touted for Venezuela coaching job
醋虽万能,但这七种东西千万不要用醋来清洁!
国际英语资讯:Pentagon confirms death of one U.S. soldier in Afghanistan
国际英语资讯:U.S. decision to raise tariffs on EU planes escalates trade tensions: Airbus
返工后,你还打算跳槽吗?
2017戛纳电影节六大瞬间[1]
How to Solve the Problem of Heavy Traffic 如何解决交通问题
国际英语资讯:Tunisian PM-designate unveils lineup of new govt
Global Use of Chinese 汉语的广泛使用
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |