GRE
The number of integers n, where 100 < n < 200, that are multiples of both 3 and 5
$$15$$
The number of positive divisors of $$2p$$
The number of positive divisors of $$p^2$$
The probability that the number of the ball chosen from container $$Q$$ will be divisible by $$2$$ or $$3$$
The probability that the number of the ball chosen from container $$R$$ will be divisible by $$2$$ or $$3$$
$$3^{-8}-3^{-9}-3^{-10}$$
$$3^{-9}$$
25000 +道题目
236本备考书籍