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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 (3+4)x=7x.
By adding 3xy+2xy, we get (3+2)xy=5xy.
By adding as and bx, we get ax+bx=(a+b)x.
Remember:
Monomials can be added only if they have the same variables with identical powers.
有一部分考生認為新GRE數學具有一定的難度，這其中的原因是由于考生在復習時沒有把新GRE數學的基礎打牢。想要新GRE數學考好，復習的時候一定要把基本概念和重要考點都弄扎實。祝大家都能取得理想成績！
