noun
the four basic arithmetic operations
Refers collectively to addition, subtraction, multiplication, and division. Often used in educational or mathematical contexts.
小学校では加減乗除の基礎を学びます。
In elementary school, we learn the basics of the four arithmetic operations.
Synonym also meaning the four basic arithmetic operations; 加減乗除 is more explicit about the operations, while 四則演算 is a slightly more formal or technical term.
Compound of 加 (addition), 減 (subtraction), 乗 (multiplication), and 除 (division).