这几个和讨论的不一样，看看我错了吗？
先谢谢大家了
502.一个等腰三角形，一个角等于120度，给了一条腰的长度，问你面积（又是简单题，注意词汇就好，我当时就是不懂那个词，猜的，因为三角形这样让你求面积，显然是特殊的三角形啊~~）
一腰*一腰*sin120
520. JJ202. If A=0.abc, where a, b, and c are digits of A, is A greater than 2/3?
1). a+b>14
2). b+c>15
A b=c=9时a不能确定
524.ABCDEFG序列转换。首先是BCDAGEF，问多少次转换后回到最先状态? 12
题目什么意思？怎么变得？
527.金字塔那个，问
哪一行出连续出1/2, 6/11, 5/9.
(7) 哪里有金字塔的题目？
550. If k is a multiple of 5, what is the remainder when k is divided by 6?
1). When k is divided by 4, the remainder is 3
2). When k is divided by 12, the remainder is 3
B 由2知道肯定余3 阿
557. If N is a common multiple of 75, 98, and 140, which of the following must be true?
I. N is divisible by 9
II. N is divisible by 49
III. N is greater than 14000
题目是指3个数的积 还是3个数的最小公倍数？答案是不适2，3阿
564. Which of the following has the smallest value?
A. 10^1/2
B. 100^1/3
C. 10000^1/4
D. 10000^1/5
E. 100000^1/6
C最大 D最小 10^1/2是不是等于100^1/3=1000^1/4
569. If y=x^n+1, x=?
1). y=1
2). n is odd
E 题目x可正可负
573. N is an integer. If N! ends in exactly 3 zeros, what is the smallest value that N can have?
15
怎么做啊？
438.一组连续的正整数，最小的是3，问有几个数？
（1）the average mean is 6 ;
（2）the range = average mean
讨论答案D
我认为是A 如果是3.4.5.6.7.8.9.10.11 符合2 但是3.4.5.6.7.8.9同样符合2
我也两号。
看jj还有用？
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