1. A={x|x^2-4=0},B={x|x-1>0},求A∩B,A∪B
A={-2,2},B={x>1},A∩B=2,A∪B={x|x>1,x=-2}
2. A={x|3x-2>0},B={x|x-32/3},B={x|x