Example:
if the average of 15 consecutive integers is 20,
then the first number x=20-1/2=20-7=13 and
the last number is 20+1/2=20+7=27.
if the average of 33 consecutive odd numbers is 67,
then the first number x=67-2/2=67-32=35 and the
last number is 67+2/2=67+32=99.
Remember: 分页标题#e#
sum of the m numbers is cm,where c is the average.
以上便是新GRE数学考试重点介绍,各位考生可以根据自己的情况参考复习,预祝各位考生考试成功。
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