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Consider the set of the first one hundred natural numbers {0,1,2,3,…,99}. Let k be the sum of digits of a number in the set. Find the value of k such that the number of numbers whose digits add up to the same value is a maximum.
The number N is the product of two primes.The sum of the positive divisors of N that are less than N is 2014.Find the value of N.
Find three consecutive even number if the sum of the smallest and the greatest number is 1000. The three number is
find three consecutive even numbers if the sum of the smallest number and the greatest number is 1000.
a polindrome number is a positive integer that is the same when read forwards or backwards. the numbers 303 and 6996 are examples of palindromes numbers to the numbers of 5-digit palindrome number is
. let x, y be real number such that 4 + = 1. Find the maximum and minimum values of the expression
\(y=\frac{2x+3y}{2x+y+2}\)
ai kb và tick cho nick KAITO KID 2005 + trả lời đúng câu hỏi này thì mình tick cho:
Consider the set of the first one hundred natural numbers {0,1,2,3,…,99}. Let k be the sum of digits of a number in the set. Find the value of k such that the number of numbers whose digits add up to the same value is a maximum.
let x, y be real number such that 4x2 + y2 = 1. Find the maximum and minimum values of the expression
A = \(\frac{2x+3y}{2x+y+2}\)
Which number between 70 and 80 can be expressed both as the sum of two consecutive natural numbers and as the sum of three consecutive natural numbers?