百度试题 结果1 题目1 If positive integers a and b sati sfyb/(a^2)=7/(18) , find the least values of a and 6 that satisfy the condition. 相关知识点: 试题来源: 解析 ①a=6,b=14优质解答 反馈 收藏
If a and b are positive integers, what is the value of a+ b ?() (1); (2)The greatest common divisor of a and b is 1. A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D.条件(1)充分,条件(...
麻烦回答一下几道英文数学题.1、if the product of two positive integers is a prime number what must b
1If x and y are positive integers and x is a multiple of y,is y=2 ?() (1)y≠1 (2)x+2 is a multiple of y. A.条件(1)充分,但条件(2)不充分. B.条件(2)充分,但条件(1)不充分. C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. D.条件(1)充分,条件(2)也充...
题目 For any positive integers A and B, define A∗B=A−B+6 and A#B=A÷B+6. If x∗(x#4)=75, find the value of x= . 答案 100相关推荐 1For any positive integers A and B, define A∗B=A−B+6 and A#B=A÷B+6. If x∗(x#4)=75, find the value of x= ....
If .x and y are integers and 3 is equal to an integer, what is the maximum possible value of x+y? ()(A)10(B)47(C)17(D)26(E)13 相关知识点: 试题来源: 解析 A解: 36^x*25^y=2^(2x)*3^(2x)*5^(2y) 。要使 (30!)/(2^(2x)*3^(2x*5^2)) 是整数,30!中质因数2的个...
9. If a right triangle has edge lengths a-b, a, and a+ b ( a and b are both positive integers),then the perimeter of the triangle might be ( A )(A)60.(B)70.(C)80.(D)90.(英汉词典:right triangle 直角三角形;positive integer 正整数;perimeter 周长) ...
百度试题 结果1 题目【题目】If a, b, and c are positive integers such thata^b=x and c^b=y , then xy=? (A. ac^bB. ac^(2b)C. (ac)^bD. (ac)^(2b)E. (ac)^(b^2) 相关知识点: 试题来源: 解析 【解析】C 反馈 收藏
1.如果a、b、c、d却都是积极的整数,并且aⁿ(5次方)⁴= b,c = d³²,模型= 19,然后d-b =().2.如果把这三个有理数(有理数):b:c = 2:3:5,b²²²c = abc,那么b c =().3.如果x-5/6 | |(2 y 1)²= 0,然后x²y =()....
If A is the set of odd positive integers less than 10, and B is the set of prime numbers less than 10, how many members does A⋃ B have? ( ) A. 3 B. 5 C. 6 D. 9 E. 10 相关知识点: 试题来源: 解析 C A=\(1,3,5,7,9\) and B=\(2,3,5,7\). A⋃ B ...