A: an odd number B: an even number C: a prime number D: a multiple of 相关知识点: 试题来源: 解析 A The sum is always odd. For example, . 一个奇数和一个偶数的和总是( ). .一个奇数 .一个偶数 .一个质数 .一个的倍数 总和总是奇数.例如,. 故选.反馈...
(A)The sum of several odd numbers is an odd number.(B)The sum of an odd numbers and an even number is an even number.(C)The sum of two prime numbers is an even number.(D)The sum of two odd numbers is a composite number.(E)One of any three consecutive positive integers must ...
Partition the data into k folds, and each of the folds is set aside at turn as a test set. A clustering model is then computed on the other k − 1 training sets, and the value of the objective function (for example, the sum of the squared distances to the centroids for k-means)...
To determine which statement is true, we will evaluate each of the four statements provided. 1. Evaluate the first statement: "The product of three odd numbers is an even number." - Let's take three odd numbers: 3, 5, and 7.
If x and y are integers, and w=x²y+x+3y, which of the following statements must be true?(多选) A.If w is even, x must be even. B.If x is odd, w must be odd. C.If y is odd, w must be odd. D.If w is odd, y m...
odd numbers is n2 . The sum of the first 30 odd numbers is ( ). A. 60B. 90C. 300D. 900相关知识点: 试题来源: 解析 D The sum of the first n odd numbers is n2 . The sum of the first 30 odd numbers is 302=900. 前n个奇数的和是n2.前30个奇数的和是( ). A.60 B.90 C....
解析 AThe sum of the odd numbers is 7+9+11=27, The sum of the even numbers is 6+8+10=24, Finally, 27 is 3 more than 24.把6和12之间的奇数相加.把5到11之间的偶数相加,这两个和差多少( ).A.3B.4C.5D.6奇数和是7+9+11=27,偶数和是6+8+10=24,差是3.故选A. ...
The number of odd divisors of 128 is View Solution What is the number of divisors of 360? View Solution Sum of perfect square divisors of 23×212×911 is A, then number of divisors of A is View Solution Sum of all Divisors View Solution The sum of all the divisors of 630 is View ...
If the sum of six consecutive odd integers is 120, what is the smallest of the six integers? If the sum of six consecutive odd integers is 384, what is the smallest of the six integers? The sum of three consecutive odd integers is 1 less than twice the largest number. W...
(r2+1) r ! = k ! 20 7n,nεN View Solution A bag contains 17 markers with numbers 1 to 17. A marker is drawn at random and then replaced, a second marker is drawn then the probability that first number is even and second is odd is k/289 then number of divisors of k is___...