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What is a term and what is a monomial?
The sum of several monomials is called polynomial.

Each monomial in a polynomial is called a polynomial term.

monomial

1. any algebraic expression in the form of a product of letters and numbers (in division, dividing by a number is equal to multiplying the reciprocal of this number).

2. A letter or number is also called a monomial.

3. The denominator has no letters (the monomial is an algebraic expression, not a fraction).

A, -5, 1x, 2XY and x/2 are all monomials, while 0.5m+n and 2/x are not monomials.

The number of single events refers to the exponential sum of all letter factors in a single event.

This noun was translated into Chinese by Li, a mathematician in Qing Dynasty, according to the concept of the original word.

The monomial is the product of letters and numbers.

Number of times of a monomial: The sum of the indices of all the letters in the monomial is called the number of times of the monomial.

One-way coefficient: the numerical factor in a single item. For example, the coefficient of 2xy is 2; The coefficient of -5zy is -5.