结果1 题目【题目】If zis aprime numbery isan integer , andx^(21-x)=2^y^2+3 thenxy^2=()(英汉小辞典:primenumber 质数,integer:整数A.8B.16C.32D.64 相关知识点: 试题来源: 解析 【解析】y是整数,∴y2一定是合数∴y^2+3- 定是质数而 x^(21-x)=2^(y^2+3)∴x=2 ∴21-x=y^...
结果1 题目If x is a prime number,y is an integer,and x21-x=2y2+3,then xy2=( )(英汉小辞典:prime number 质数,integer:整数) A. 8"," B. 16"," C. 32"," D. 64"] 相关知识点: 试题来源: 解析 C 试题分析:先根据x是质数判断出21-x是质数,故x21-x一定是质数;再根据y是整数可知...
题目 If "p" is a prime number,how many factors does "pn"have? 抱歉,我没有看懂你的解释。 答案 如果p是质数 那么pn有多少个因数呢? 你那个pn是什么啊 我没看懂 pn?晕 应该是这个意思 我也正在研究SAT数学呢 没辙 要应付入学考试. 相关推荐 1 If "p" is a prime number,how many factors do...
百度试题 结果1 题目【题目】If p is a prime number,a is a positive integer, and p=a'-15a2+25,hen the value of p is(prime number:质数;positive:正的) 相关知识点: 试题来源: 解析 【解析】11或41
If p is a prime number greater than 2, which of the following could also be a prime number? ()A. 3pB. p+1C. p+2D. p+3 答案 C 相关推荐 1If p is a prime number greater than 2, which of the following could also be a prime number? ()A. 3pB. p+1C. p+2D. p+3 ...
return 1;}int yinzi(int m,int n){ return n%m==0;}void main(){ int n,i,s=0; scanf("%d",&n); for(i=2;i<=sqrt(n);i++) if(yinzi(i,n)) if(prime(i)) { printf("%d ",i); s++; } if(s==0)printf("%d\nIt is a prime number.",n); printf("\n");}\x1a 开学...
结果1 题目If x is a prime number,y is an integer ,and x^(21-x)=x^(y^2+3),then xy^2=___ 相关知识点: 试题来源: 解析x^(21-x)=x^(y^2+3)21-x=y^2+3y^2=18-xy=√(18-x)18-x>0x<18because x is a prime number and y is an integerso x can only be 1,...
2 is divided by 12 ?() A.0 B.1 C.2 D.3 E.5 相关知识点: 试题来源: 解析 B [解析] 考生在做该题时可以用尝试法:任取一个大于3的质数去除以12,发现任一大于3的质数平方后被12整除时,余数总为1,例如72=49,49÷12得到商为4,余数为1。
结果1 题目If p is a prime number greater than 11,and P is the sum of the two prime numbers x and y,then x could be which of the following A. 2B. 5C. 7D. 9E. 13 相关知识点: 试题来源: 解析 A 若P是比11大的质数(prime number),且p等于两个质数x,y的和.则x可能是下而的哪...
结果1 题目2、 If a(a\ne 5) is a prime number, then 5a has( )素(s) A. 1 B. 2 C. 3 D. 4 相关知识点: 试题来源: 解析 D 因为a是素数且不等于5,所以a和5互质。因此,5a的素因子只有a和5。由于a是素数,它只有两个因子:1和a本身。所以,5a的因子有四个:1,a,5,5a。因此...