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the average of five numbers is 20. The average of the five numbers is 18 when one of the numbers is changed to 4. What is the original value of the changed numbers
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
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The average of X and 763 is 918.The value of X is ...
the average of four number is 25 . the average of the four is 23 when one of the number changed to 6. what is the original value of the changed number ??
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........
giúp tui nhé! cám ơn !
Given five numbers, the average of two numbers is 17 and the average of the other three numbers is 12. The average of all these numbers is…
The average of four numbers is 25 .
The average of four numbers is 23 when a number changed to 6 .
Find the original value of the changed number .
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