GRE
4
k
The average (arithmetic mean) of $$\frac{1}{S^{2}}$$, $$\frac{1}{S}$$, $$S$$, and $$S^{2}$$
$$2S$$
The perimeter of △ABO
The length of arc BCD
The coordinate of Z
2.3
The median value for the combined sample of the 16 numbers
51
The measure of angle $$ABC$$
$$60°$$
The average (arithmetic mean) of $$x$$, $$y$$, and $$z$$
$$\frac{z}{2}$$
25000 +道题目
236本备考书籍