GRE數(shù)學(xué)考點(diǎn)：Monomials

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    Monomials
    An expression with only one term is called monomial.
    Example:
    3x,2x2,and 4xy are all monomials.
    2x+1,x+y,3(x+1),and x+x2 are not monomials.
    Remember:
    There is no addition or subtraction in monomials.
    Mono means one, as in monologue.