9. The sum of two positive integers is 60 and the greatest common factor of these two numbers is 15, then these two numbers are ___ and ___.相关知识点: 试题来源: 解析 15;45 由于两个数的和为60,最大公因数为15,可以将它们表示为15a和15b,其中a和b互质。根据题意,15a + 15b = 60,化...
It is known that the maximum common factor of two positive integers is 4, and the minimum common multiple is 24, so the maximum sum of the two numbers is285. We often use a soap when washing clothes, so there is always some remainder on the clothes. Suppose every time we dehydrate ...
(1) At least one of the integers is negative. (2) At least one of the integers is positive. 选项: 答案: C 提问列表 提问: 题目说的是连续的奇数,条件说的是至少,没说仅有一个,答案是C,但是我觉得可能是-1,1,3,5,7也可能是-3,-1,1,3,结论不确定啊。怎么会选C呢?
For any positive integer n , the sume of the first n positive integers equal [n/(n+1)]/2.What is the sum of all the even integers between 99and 301? A10100 B 20200 C 22650 D 40200 E 45150 解答: 点赞0 阅读3547 解答: sysadmin老师 ...
The product of two consecutive positive integers is always .A. odd B. even C. prime D. composite 相关知识点: 试题来源: 解析 B 两个连续的正整数相乘得到的数总是什么数? product 结果,consecutive 连续的,positive integer正整数,odd奇数, even偶数, prime质数, composite合数,选 B....
How many two-digit positive integers are there such that the sum of the two- digit positive integer and the number formed by reversing the digits of the two-digit positive integer is a square number?有多少个两位正整数,使得两位正整数与两位正整数的数字对位所形成的数之和是平方数? A. 5 B....
This means that any sum of the two integers M and N must also be a multiple of 11. Of the...
The number of triangles in the figure on the right is/ / A) 9B)10A/C)llD)12/y 31. What is the thousands digit of the 17、 product 1234560 x 2345670 * 3456780?A) 8B)6C)5D)032. The sum of nine consecutive positive integers is always divisible byA) 2B)5C)7D)933. You can put ...
一道Gmat数学题!For any positive integer n,the sum of the first n positive integers equals n(n+1)/2.what is the sum of all the even integers between 99 and 301?
cannot be written as the sum of two positive integers (not necessarily different)?( ).A. 0 B. 1 C. 2 D. 49 相关知识点: 试题来源: 解析 B Every integer n can be written as the sum of 1 and the integer just below n. But, these are not both positive if n=1. 有多少小于100的...