Our opinions differ.

Please calculate the quartiles of this data set.

This concept is difficult.

Please find the square root of this number.

An imaginary number is a concept of a number different from a real number, which is a number whose square root is a negative number.

Understanding the range of real numbers is a fundamental part of mathematics.

He lost in the match.

In mathematics, negative numbers represent numbers less than zero.

He is deeply researching the theory of real number fields.

An imaginary unit is an important concept in mathematics.