GRE
x
y
The ones digit of $$208^{208}$$
7
k
3
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 average of the range of the values in data set $$X$$ and the range of the values in data set $$Y$$
The range of the values in data set $$Z$$
The remainder when y is divided by 4
1
The remainder when $$35^{12}+63^{17}$$ is divided by 14
25000 +道题目
211本备考书籍