Suppose that a, b, and c are all positive integers, if ca+b 相关知识点: 试题来源: 解析 由ca+b<ab+c<bc+a,a,b、c 均为正数,可知 c+ab<b+ca<a+bc, 故可知 a+cb+1 <b+ca+1<a+bc+1,即 a+b+cb<a+b+ca<a+b+cc, 故有 c<a...
1.If a,b,c,d are all positive integers,and aⁿ(5次方)=b⁴,c³=d²,c-a=19,then d-b=().2.If the three rational numbers(有理数)a:b:c=2:3:5,and a²+b²+c²=abc,then a+b+c=().3.If |x-5/6|+(2y+1)²=0,then x²+y=().中文:1.如果 d 是正整数...
1.If a,b,c,d are all positive integers,and aⁿ(5次方)=b⁴,c³=d²,c-a=19,then d-b=().2.If the three rational numbers(有理数)a:b:c=2:3:5,and a²+b²+c²=abc,then a+b+c=().3.If |x-5/6|+(2y+1)²=0,then x²+y=().中文:1.如果 d 是正整数...
If and are positive integers such that . Find the maximum value of . 已知、为正整数且,求的最大值. 相关知识点: 试题来源: 解析 . 已知,为正整数且, 所以,且与同为奇数或同为偶数, 当,均为奇数时,则,均为奇数, ∴,,, 当时,,符合题意;当时,不是整数,不符合题意; 当时,不是整数,不符合题意...
are the two smallest positive integers for which the product of and is a square and the product of and is a cube. What is the sum of and ?( ). A: B: C: D: E: 相关知识点: 试题来源: 解析 B 和是符合如下条件的两个最小的正整数:和的积为完全平方数,和的积为完全立方数.则...
If x and y are positive integers such that1994=(x+y)2+3x+y, find y. View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium NCERT Solutions for Class 10 English Medium ...
lf k=900 and u and v are both positive integers, find at least 3 sets of possible values for u and v.相关知识点: 试题来源: 解析 At least three of:v =1, u=30; v =4, u=15; v=9, u=10; v=25, u=6; v=36, u=5; v=100, u=3; v=225, u=2; v=900, u=1...
All positive integers are greater than all the negative integers. For example, $+17$ is greater than $-20$How to Perform Arithmetic Operations on IntegersThe four basic mathematical operations are:Addition Subtraction Multiplication DivisionAddition of Integers...
How many positive integers less than 100 are neither multiples of 2 nor multiples of 3? Eliminating Integers: To find integers in a range that are not multiples of a specific number, or even two numbers, simply divide the number of integers in the range by the number of the mu...
If r and s are positive integers, is r/s an integer? (1)Every factor of s is also a factor of r. (2)Every prime factor of s is also a prime factor of r. 选项: A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、Statement (2) ALONE is...