GRE
Number of primes between 50 and 60
Number of primes between 80 and 90
xy
70
y
14
Product of even integers from -12 to 6 inclusive.
Product of odd integers from -5 to 13 inclusive.
x
0
The remainder when n is divided by 4
The remainder when n is divided by 5
The remainder when positive integer x is divided by 11
11
25000 +道题目
236本备考书籍