GRE
Product of even integers from -12 to 6 inclusive
Product of odd integers from -5 to 13 inclusive
The number of integers from 1 to 100 (inclusive) that are both even and the square of an integer
The number of integers from 1 to 100 (inclusive) that are both odd and the square of an integer
r + s + 1
s + t – 1
x
0
25000 +道题目
252本备考书籍