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
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