The symbol "+"stands for addition operation in mathematics and is a basic operation symbol. Its function is to add two numbers to get their sum. For example, 2+3=5. In addition, "+"can also mean a plus sign, for example, "+5" means adding five.

What does the symbol "x" mean in mathematics?

The symbol "×" represents the multiplication operation in mathematics and is also a basic operation symbol. Its function is to multiply two numbers to get their product. For example, 2×3=6. In addition, "×" can also represent concepts such as cross product and cross product, which depends on different branches of mathematics.

What does the symbol √ in mathematics mean?

The symbol "√" indicates the root number in mathematics, and its function is to take the square root or other power roots of a number. For example, "√4" means 2; "3√27" is 3. In mathematics, the root sign has a wide meaning, and it can also be expressed by imaginary numbers.