- 精华
- 0
- 积分
- 1260
- 经验
- 1260 点
- 威望
- 125 点
- 金钱
- 125 ¥
- 魅力
- 125
|
DS 数学OG 3、39题
3】if n is an integer then n is divisible by how many positive integers
1)n is the product of two different prime numbers
2) n and 2^3(2的3次方) are each divisible by the same number of positive integers.
正确答案:D
条件2)怎么判断出是有效的?
可不可以顺便翻译下题目和条件2),谢谢
39】can the positive integer n be expressed as the product of two integers,each of which is greater than 1?
1)31<37
2)p is odd
正确答案:A
不懂,例如33=1×33,那岂不是有一个数是等于1,而不是Greater than 1咯?我觉得选E啊 |
|