抛物线y=-x2-2x 3与x轴交于点A、B,与y轴交于点C,则△ABC的面积为______. 抛物线y=-x2-2x 3与x轴交于点A、B,与y轴交于点C,则△ABC的面积为______. 发布时间:2025-09-05 22:03:17