题目内容
设A={(x,y)|y=-4x+6},B={(x,y)|y=5x-3},求A∩B.
设A={(x,y)|3x+2y=1},B={(x,y)|x-y=2},C={(x,y)|2x-2y=3},D={(x,y)|6x+4y=2},求A∩B、B∩C、A∩D.