GRE數(shù)學考點《Distributive Law》舉例分析

　　Distributive Law

　　Like real number, when multiplying a sum or difference of terms, the distributive property of multiplication allows us to distribute the multiplying term among the terms being added or subtracted.

　　Example:

　　3=32x+3y,

　　3a=3a2x+3ay,

　　3x=3x2x+3xy.

　　=2x+y=3x2x+42x+3xy+4y.

　　Remember:

　　Do not forget to multiply all the terms inside the parenthesis.

　　For division, the sum and difference in the numerator can be distributed:/=x/+y/.

　　For division, the sum and difference in the denominator cannot be distributed ://2x+/y.

　　俗話說：工欲善其事必先利其器。有一部分考生認為新GRE數(shù)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(shù)學的基礎打牢。想要新gre數(shù)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。

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