新课标2020高考数学大一轮复习第九章解析几何题组层级快练60双曲线二文含解析

题组层级快练(六十)1．已知集合A＝{(x，y)|eq \f(x2,9)－eq \f(y2,4)＝1，x，y∈R}，B＝{(x，y)|eq \f(x,3)－eq \f(y,2)＝1，x，y∈R}，则A