抛物线y=x²+7x+3与直线y=2x+9的交点坐标为?
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抛物线y=x²+7x+3与直线y=2x+9的交点坐标为?
抛物线y=x²+7x+3与直线y=2x+9的交点坐标为?
抛物线y=x²+7x+3与直线y=2x+9的交点坐标为?