K is a prime number and a multiple of 43. What is K?
A prime number between 42 and 46 is
In the following figure, AN = 5cm and AB = 8cm. NB =............. cm
Ai đúng mk tick cho
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
Tìm số tự nhiên a nhỏ nhất khác 0, biết rằng a 15 và a 18.
làm rõ ra nha
Tìm x:
a) 768 : (x + 8) - 18 = 14
b) 135 - 3 .(x - 36) = 120
c) 32 x và 6 < x < 20
d) x 43 và x có 2 chữ số
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.
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
A school has 1500 pupils. On a certain day, 30 of the pupils were absent. 40% of the pupils absent were girls, how many girls were absent on that day ?
giúp mk nha !
A string of 2.1m was cut into 6 equal parts. What's the length of each part in cm?