số học
Also known as arithmetics
thumb|alt=The main arithmetic operator symbols; from left to right, top to bottom: addition sign +; minus sign −; multiplication sign ×; and division sign ÷.|The main arithmetic operations are addition, subtraction, multiplication, and division.|class=skin-invert-image
AI overview
Arithmetic is the branch of mathematics that deals with the four basic operations—addition, subtraction, multiplication, and division—which form the foundation for working with numbers. These fundamental skills matter because they enable us to perform everyday calculations and solve problems involving quantities in our daily lives.
AI-generated from the Wikipedia summary — may contain errors.