Exercise1:Find all pairs of positive integers (x;y) satisfy the equation:
1!+2!+3!+.......x!=y2
CÁC BẠN GIẢI HỘ MÌNH BẰNG TIẾNG ANH NHÉ
Excercise1:Find all pairs of positive integers(x, y) satisfy the equation
1!+2!+3!+...+x!=y2
CÁC BẠN GIẢI HỘ MÌNH BẰNG TIẾNG ANH NHÉ
Find all pairs of positive integers (x;y) satisfy the equation: 1!+2!+3!+.......x!=y2
Number 6 is written as sum of two positive integers in three different ways: $6=1+5=2+4=3+3.$ (order does NOT matter). That is, there are exactly three different pairs of positive integers that add to make six. How many pairs of positive integers that add to make 1000?
Các bạn giải nhanh giùm mình nhé để mình con đi thi
Number 6 is written as sum of two positive integers in three different ways: $6=1+5=2+4=3+3.$ (order does NOT matter). That is, there are exactly three different pairs of positive integers that add to make six. How many pairs of positive integers that add to make 1000?
Câu hỏi tiếng ANH :
If the sum of all the digits in each of two consecutive positive integers are both exactlt multiple of 5. Then what is the least sum of these two integers ?
A. 99 B. 999 C. 9999 D. 99999
The mean, median, and unique mode of the positive integers 3,4,5,6,7 and x are all equal. What is the value of x ?
Factorial n! means the product of the first integers from 1 to n. What is the least positive integer n such that n! is a multiple of 2015*2016?
Trình bày lời giải cho mình nhé
The rectangle ABCD is divided into 4 regions whose perimeters are indicated in the figure below,where X,Y,Z Are Distinct positive integers and X>Y .It is known that Z=\(\frac{X+Y}{3}\)and W<6.Find X