新gre數(shù)學(xué)考點(diǎn)標(biāo)準(zhǔn)偏差和排列組合gre數(shù)學(xué)(留存版)
【正文】 of objects or things. Each object in a set a member or element of that of a set is the number of members in the set. Example: The set of even numbers between 2 and 10 is of size 5:{2,4,6,8,10}. The set of primes between 2 and 10 is of size 4:{2,3,5,7}. Remember: Each member of set A belongs to A or is in the s
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