The average of 57 and M is 43.The value of M is...

Làm hộ mình bài này nhé !

The average of A ,B and C is 70 . The value of A is 2 more than B . The value of B is in more than C. Find value A , B and C

The average of A,B,C is 48 and A is 8 less than the sum of B and C. The value of A is.

bạn nào giải đúng nhất và là người giải đầu tiên mình sẽ cho 1 like nha ! nhớ là giải cả bài giải nha

the average of m and the greatest 4-digit number is 7625 the value of m is .....

the average of 29 , 33, 18 and k is 27

The value of K is

Câu 9:
The average mass of a group of children is 47kg. If  of the number of children are girls and their average mass is 39kg. Find the average mass of the boys.
Answer: The average mass of the boys is kg
 

Câu 10:
A 6-digit number begins with the digit 8. The number is divisible by 9 and all digits of the number are different. What is the possible smallest value of this number?
Answer: 

If y is a natural number and y/9 < 7/12 then the greatest value of y is ........... giải hộ mình với

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 ..........

If A - B = 8 and the average of A and B is 7 then A = ........

( có ai biết cách giải thì làm hộ mình nha!)