Suppose the 6 digit number 18abc2 can be divided evenly by both 17 and 31. Find the largest possible value for a+b+c

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 =

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 ..........

Toán tiếng anh: Let a, b, c be the possible integer such that ab+bc=518 and ab-ac=360. Find the largest possible value of the product abc

Câu 10:
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 =

Find the largest 3-digit integer m such that when m is divided by 3, 7, 11 the remainders are 1, 3, and 8 respectively.

:
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 = 

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.

The sum of 2018 and a 3-digit number is a square number. Find the smallest possible value of the 3- digit numbers