who discovered addition and subtraction.
a math guy
Asimoth masket in year 457 B.C.
definiton of addition and subtraction
Addition and subtraction are reverse operations.
Addition is the inverse operation to subtraction.
Addition and subtraction are inverse functions.
Subtraction can be seen as the inverse operation to addition.
Subtraction is the addition of a negative number.
You don't. You can check addition with subtraction or subtraction with addition, since subtraction is the opposite of addition. Similary, you can check division with multiplication, or vice versa.
Addition is a sum and so is subtraction. So there's your answer!
addition Sum is the result of an addition problem. Difference is the result of a subtraction problem.