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34. y=1/(3-6/(x-4)), What is x defined as? 35. 有一个连续数的集合,问7是否在这个集合里面 36. A rectangle ABCD area is 84, point E is on line AB and AE/EB = 4/3, point F is on line DC, what is area of triangle AFE? 37.一个圆圆心在(0,0),一直线y=x,k同时在圆上和线上,问k坐标: 38.JJ本月题99到301间的偶数的和 39.JJ本月题 (X^ N) / (X-1)= X ^ (N-1) + X ^ (N-2) + …+1, 且7^8= 一个具体的数值C,问7^9=? 40.ABCDEFG中随便取3个,但是AB不能在一起,问可能性? 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? 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? 43. 452*36*17 44. N 有几个不同的质数? 45. M, P, T 是positive integer, m 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 ½ if the sum of the 2 numbers are even, the forth1 number is 7 and the fifth number is 5, what is the first number? 47. Give the English definition of standard deviation2, 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? 49. N除以3的余数是多少? 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 <长< 20, 5<宽<9, 求周长范围 52. 53. 卖门票 on Monday & Tuesday, children’s ticket $7 each, adult $10 each, children’s number on Tues is twice the number on Monday, adult’s number on Tues is ½ the number on Monday, the total revenue on Monday is $2700, revenue on Tuesday is $2400, what’s the children’s 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, what’s the average pencils number? (the number is not accurate) 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? (具体叙述忘了,但翻译过来就是求这个式子) 61. Is xy >x^2y^2 62. Mary 和 Tom 同时从a地出发到b地,问Mary 比 Tom早到几分钟? 63. r>1, r * = 1-(1/r) what’s the value of : r * - (r-1)* 64. Is xyz>0 65. A (0,3) B (-2,0), C在AB上,C的横坐标是-5,求纵坐标?(数不准,有图) 66.People in Senior only is 16, ppl in physics only is 24. ppl in senior only + ppl both in senior and physics = ppl in physics only. What’s the percentage does ppl both in senior and physics account for all senior ? 67. 一个三角形x,y,z,分别为三个外角,确定x的度数? 68. DS 根据账户里的钱付费用问题,$400 之内付1。5%,超出部分付1.2%, 求某人上月账户里有多少钱? 69. 溶液问题:10单位混合物,含有30%的A,70%的B,问要取去多少单位的混合物,换成A,使新的混合物中A、B各占50%? 70. 集合题:参加股东会的人中62%为股东,47%为公司员工,问参加会议的是股东中不是员工的比例? 点击收听单词发音
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