GRE
The area of a rectangle with a perimeter of 32
The area of a rectangle with a perimeter of 52
The remainder when $$n(n^{2}-1)$$ is divided by 6
1
$$y$$
$$1$$
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 standard deviation of data set Ⅰ
The standard deviation of data set Ⅱ
The probability that S will occur given that R has occurred
P(R)
$$d$$
$$k^2$$
The ratio of the area of triangle ECD to the area of quadrilateral ABCE
$$\frac{1}{8}$$
The standard deviation of the distribution of X
The standard deviation of the distribution of Y
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