GRE
The greatest distance from P to a point on the circle plus the least distance from P to a point on the circle
4
$$x^{4}y^{3}$$
0
A(a,b)+A(b,c)
A(a,c)
The number of points (a, b) on circle C where both a and b are integers
The number of points (a, b) on circle D where both a and b are integers
The 40th percentile of the distribution of the values of x
40.5
25000 +道题目
5本备考书籍