GRE
The number of two-digit positive integers for which the units digit is not equal to the tens digit
80
The $$26^{th}$$ digit of N from left to right
The $$45^{th}$$ digit of N from left to right
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
236本备考书籍