Basic arithmetic of C language

There are 34 types of operators included in the C language:

I. Arithmetic operations

1. Addition operation: +, not only can be used to do addition, can also be used to denote a positive sign: for example, +1,+10, etc.;

2. Subtraction operation:-not only can be used to do subtraction, also can be used to indicate negative numbers: for example, -1,-19, etc.;

3. Multiplication: *, the symbol is no longer commonly used in mathematics, but in the computer *.

4. Division operation:/, symbols are no longer commonly used in mathematics?, but/, this is to be differentiated from \, when/appear two times to become//when the programming of the comments; In addition, in programming, integers are divided by integers or integers, 1/2=0, rather than one-second.

Basic arithmetic of C language