GMAT数学特性整除特性
能够被2整除的数其个位一定是偶数。
能够被3整除的数是各位数的和能够被3整除。
能够被4整除的数是最后两位数能够被4整除。
能够被5整除的数的个位是0或5。
能够被8整除的数是最后三位能够被8整除。
能够被9整除的数是各位数的和能够被9整除。
能够被11整除的数是其奇数位的和减去偶数位的和的差值可以被11整除。
记住:一个数要想被另一个数整除,该数需含有对方所具有的质数因子。
GMAT数学特性整数n次幂尾数特性
尾数为2的数的幂的个位数一定以2,4,8,6循环
尾数为3的数的幂的个位数一定以3,9,7,1循环
尾数为4的数的幂的个位数一定以4,6循环
尾数为7的数的幂的个位数一定以7,9,3,1循环
尾数为8的数的幂的个位数一定以8,4,2,6循环
尾数为9的数的幂的个位数一定以9,1循环
Foreign origins: Kowtow, omerta
Tell的译法
focus造句
Value for money
Officials need to read in order to lead
Weighing the costs of luxury
attitude造句
Where's the dark horse?
advantage造句
购买3d笔之前,你要知道的6个特性
Time to defend teachers
Pun intended
Safe or safety?
Propaganda and... Iraq
Efficient police a sign of the times
Cutting to the chase
Still others?
Spam or junk mail?
Day and night
A lack of education breeds apathy
Keep your hands on the wheel
Propaganda and... Iraq (2)
Fiddle
Tend, intend, attend
The Scapegoat
A selfless act from pair who have nothing
Better late than never
Killing the goose that lays the golden egg
Reality is not black and whit
It's a dog's life for man's best friend
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