Câu 1:
. How many elements of the set A are divisible by 9?
Answer: elements
Câu 2:
Find the remainder of when it is divided by 3.
Answer: The remainder is
Câu 3:
Find the remainder of 9287 when it is divided by 3.
Answer: The remainder is
Câu 4:
Given that is divisible by 9. What is the value of ?
Answer:
Câu 5:
Given that is a composite number. How many values of are possible?
Answer: There are values.
Câu 6:
Given that 511 is the sum of two prime numbers...
Đọc tiếp
Câu 1:
![](http://latexapp6.violympic.vn/?$A=\{187,%20288,%203909,%207209\}$)
. How many elements of the set A are divisible by 9?
Answer: elements
Câu 2:
Find the remainder of
![](http://latexapp6.violympic.vn/?$10^{10}$)
when it is divided by 3.
Answer: The remainder is
Câu 3:
Find the remainder of 9287 when it is divided by 3.
Answer: The remainder is
Câu 4:
Given that
![](http://latexapp6.violympic.vn/?$\overline{452a}$)
is divisible by 9. What is the value of
![](http://latexapp6.violympic.vn/?$a$)
?
Answer:
![](http://latexapp6.violympic.vn/?$a=$)
Câu 5:
Given that
![](http://latexapp6.violympic.vn/?$\overline{1a}$)
is a composite number. How many values of
![](http://latexapp6.violympic.vn/?$a$)
are possible?
Answer: There are values.
Câu 6:
Given that 511 is the sum of two prime numbers
![](http://latexapp6.violympic.vn/?$a$)
and
![](http://latexapp6.violympic.vn/?$b$)
,
![](http://latexapp6.violympic.vn/?$\left(%20{a%20%3C%20b}%20\right)$)
. What is the value of
![](http://latexapp6.violympic.vn/?$b$)
?
Answer:
![](http://latexapp6.violympic.vn/?$b=$)
Câu 7:
Given that 511 is the sum of two prime numbers
![](http://latexapp6.violympic.vn/?$a$)
and
![](http://latexapp6.violympic.vn/?$b,%20\left(%20{a%20%3C%20b}%20\right)$)
. What is the value of
![](http://latexapp6.violympic.vn/?$a$)
?
Answer:
![](http://latexapp6.violympic.vn/?$a=$)
Câu 8:
Given that
![](http://latexapp6.violympic.vn/?$\overline{a1}$)
is a prime number. How many values of
![](http://latexapp6.violympic.vn/?$a$)
are possible?
Answer: There are values.
Câu 9:
Find the greatest 2-digit number that has 12 divisors.
Answer: It is
Câu 10:
Given that
![](http://latexapp6.violympic.vn/?$A=2^9\times%203^9\times%205^9$)
. How many divisors does the number A have?
Answer: The number A has divisors.