Difference is a mathematical operation, especially the result of subtracting two numbers. Sum refers to a new thing obtained by adding two or more things with the same nature, and can also be narrowly understood as the result of adding two numbers. Generation of sum: addend+addend = sum.
Addition: Addition is one of the four basic operations, which refers to the operation of combining two or more numbers and quantities into one number and quantity. The symbol of addition is the plus sign "+". Connect items with a plus sign when adding.
Subtraction: subtraction is one of the four operations, and the operation of subtracting one number from another is called subtraction; Given the sum of two addends and one of them, the operation of finding the other addend is called subtraction. The symbol of subtraction is "-",which is pronounced as negative sign.
The difference in mathematics is a mathematical operation, that is, a number MINUS a number is the difference. That is, in the subtraction formula, the number before the minus sign is the minuend, the number after the minus sign is the minuend, and the number after the equal sign is the difference.