The greatest common factor of m and n is 1
That the least common multiple of them ?
Ai làm nhanh nhất thì mk tick cho
Exer 1: Given two natural numbers whose sum are 78293. The bigger number where 5 is the units digit and 2 is hundred digit. If we clean these digits then we obtain a number which equals the smaller number. Find two natural numbers.
Exer 2: Prove that: If x, y \(\in\) N and x + 2y divisible by 5 then 3x - 4y divisibles by 5.
Exer 3: Given that 2x + 5y \(⋮\) 7. Prove that 4x + 3y \(⋮\) 7.
Given M is the set of all common multiples of 49 and 63 . M is also the set of all multiple of
Mk gấp lắm nhanh lên
how many numbers from to 1 and 100 are not divisible by 3
mk gấp lắm các bn làm nhanh nha
how many numbers from 1 to 1000 are common multiple of 5 and 6
Ai làm nhanh mà đúng thì mk tick cho
Exer 1: There is a division with the quotient is 6 and the remainder is 3. The sum of dividend, divisor and remainder are 195. Find the dividend are divisor.
Exer 2: Prove that: Amoney three consecutive natural numbers, there is one only one the number which divisibles by 3.
Exer 3: Given natural number, n = \(\overline{1ab1}\). Let m be the natural number which is written the opposite respectively of n. Prove that the different of n and m divisibles by 90.
Exer 1: Find digit a such that n = \(\overline{aaaaa24}\) divisibles by 8 and 9.
Exer 2: Prove that number:
A = (n+2014)(n+2015)(n+2016) is a multiple of 6; where every n \(\in\) N.
Exer 3: Given n = 101998 - 4.
a, Does n divisibles by 3?
b, Does n divisibles by 9?
And why?
Tìm phân số tối giản \(\dfrac{a}{b}\) sao cho khi lấy mẫu trừ tử thì giá trị của phân số tăng lên 10 lần.
( ai trả lời nhanh mk sẽ tick)
Bài 1: Tìm số tự nhiên n sao cho:
a) 2n + 1 \(⋮\) 6 - n
Ai nhanh mk sẽ tick