cho mình hỏi 2 câu này: 

Question 1:
The difference of the greatest and the least 4 – digit number can you make using all digit 9;3;0;7 is ......

Question 2:
When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5. 
The value of X is ..........

When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5.
The value of X is 

When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5.
The value of X is 

When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5. 
The value of X is 

When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5. 
The value of X is 

When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5. 
The value of X is 

If A is divided by 9 then the sum of the quotient and 9 is the greatest 2-digit number. Find the value of A. Answer: A =

Question 9:
When X divided by 234, the remainder is the greatest possible remainder and the quotient is 5.
The value of X is 

When 117 is divided by a number m, we get a quotient of 6 and the remainder of 3. What is the number m?