tạm dịch: số nguyên tố nào chia hết cho 5.
kết quả:không có số nào thỏa mãn đề bài
Tick cho mình nha( nếu mình đúng)
tạm dịch: số nguyên tố nào chia hết cho 5.
kết quả:không có số nào thỏa mãn đề bài
Tick cho mình nha( nếu mình đúng)
Câu 1: Given that is divisible by 9. What is the value of ?
Câu 2: How many elements of the set A are divisible by 9?
Câu 3:A is a set of multiples of 12 less than 12. How many elements does the set A have?
Câu 4:Find the remainder when is divided by 3.
Câu 5:Given that 511 is the sum of two prime numbers and , . What is the value of ?
Câu 6:Given that . Find the value of .
Câu 7:Given that . How many divisors does the number A have?
Câu 8:Find the natural number so that the product of and 5 is a prime number.
Câu 9:
Given that . How many divisors does the number A have?
Câu 10:
Given that . How many divisors the number A have?
the smallest 2 - digit number that is divisible by 3 and 5 .
The greatest distinct 4-digit number that divisible by 9 is..........
m is an odd number that is divisible by 5 . when m divided by 10 . th remainder is ....
Question 1:
J is a factor and a multiple of 25. What is J?
Answer: J =
Question 2:
How many prime numbers are less than 10?
Answer: There are numbers.
Question 3:
The greatest even factor of 62 is
Question 4:
The smallest multiple of 47 is
Question 5:
Find the sum of all the factors of 19
Answer:
Question 6:
A prime number between 42 and 46 is
Question 7:
The number 55 has factors.
Question 8:
In the following figure, AN = 5cm and AB = 8cm. NB = cm
Question 9:
If m, n are consecutive odd numbers and is divisible by 3 and 5 then m =
Question 10:
The largest possible whole number that is less than 120 and has only 2 and 5 as prime factors is
Find the natural number so that the product of and 5 is a prime number.
Question 1:
The smallest odd multiple of 9 is
Question 2:
K is a prime number and a multiple of 43. What is K?
Answer: K =
Question 3:
How many prime numbers are less than 10?
Answer: There are numbers.
Question 4:
P is a prime number and a factor of 8. What is P?
Answer: P =
Question 5:
A prime number between 42 and 46 is
Question 6:
In the following numbers, which has the most factors?
Answer:
Question 7:
The number 55 has factors.
Question 8:
Find the sum of all the factors of 15
Answer:
Question 9:
How many times does the digit “0” appear in numbers from 1 to 1000?
Answer:
Question 10:
If m, n are consecutive odd numbers and is divisible by 3 and 5 then m =
if we write all of the whole numbers from 10 through 99 and cross out any number in wich the fist or second dugit is divisible by 3 (for example ,41 is crossd out as 4 is divisible by 2 and 36 is crossed out a
s 6 is divisible by 2 ) , how many numbers are crossed out ?
Prove that the number of the form abcabc divisible by 7; 11 and 13.