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Adding Monomials To add two monomials of the same variables just add the coefficients. Only two like monomials can be added together. Example: By adding 3x and 4x, we get x=7x. By adding 3xy+2xy, we get xy=5xy. By adding as and bx, we get ax+bx=x. Remember: Monomials can be added only if they have the same variables with identical powers. 有一部分考生认为新GRE数学具有一定的难度，这其中的原因是由于考生在复习时没有把新GRE数学的基础打牢。想要新GRE数学考好，复习的时候一定要把基本概念和重要考点都弄扎实。祝大家都能取得理想成绩! | 
