GRE
The standard deviation of the seven numbers $$-c, -b, -a, 0, a, b, c$$
The standard deviation of the seven numbers $$-c^{2}, -b^{2}, -a^{2}, 0, a^{2}, b^{2}, c^{2}$$
The area of region $$S_1$$ minus the area of region $$S_3$$
$$\frac{π}{2}-1$$
The number of sequences in S in which f, b, h, and g appear consecutively in that order
The number of sequences in T in which f and b appear consecutively in that order
After the 11n jelly beans are added to the bowl, the percent of the jelly beans in the bowl that will be green
10%
p
$$\frac{1}{2}$$
The radius of the circle
$$\frac{x+y}{2}$$
25000 +道题目
236本备考书籍