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Urgent! ! In the subtraction formula, the sum of the minuend, the minuend and the difference is 508. What is a minuet? Solve it in an hour.
For example, for 3- 1=2.

1 is subtraction, the difference is 2, and their sum is minuend 3.

Negative-negative = difference

Move the subtraction to the right and get: minuend = subtraction+difference.

So the sum of three numbers is equal to 2* minuend =508.

Subtract =254