反比例函数的(最好有过程)如图所示,点A,B为直线y=x上的两点,过A,B 两点分别作y轴的平行线交双曲线y=1/x(x>0)与两C,D点,若BD等于2AC 则4OC²—OD²的值为
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![反比例函数的(最好有过程)如图所示,点A,B为直线y=x上的两点,过A,B 两点分别作y轴的平行线交双曲线y=1/x(x>0)与两C,D点,若BD等于2AC 则4OC²—OD²的值为](/uploads/image/z/7143798-30-8.jpg?t=%E5%8F%8D%E6%AF%94%E4%BE%8B%E5%87%BD%E6%95%B0%E7%9A%84%EF%BC%88%E6%9C%80%E5%A5%BD%E6%9C%89%E8%BF%87%E7%A8%8B%EF%BC%89%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E7%82%B9A%2CB%E4%B8%BA%E7%9B%B4%E7%BA%BFy%EF%BC%9Dx%E4%B8%8A%E7%9A%84%E4%B8%A4%E7%82%B9%2C%E8%BF%87A%2CB+%E4%B8%A4%E7%82%B9%E5%88%86%E5%88%AB%E4%BD%9Cy%E8%BD%B4%E7%9A%84%E5%B9%B3%E8%A1%8C%E7%BA%BF%E4%BA%A4%E5%8F%8C%E6%9B%B2%E7%BA%BFy%EF%BC%9D1%2Fx%EF%BC%88x%EF%BC%9E0%EF%BC%89%E4%B8%8E%E4%B8%A4C%2CD%E7%82%B9%2C%E8%8B%A5BD%E7%AD%89%E4%BA%8E2AC+%E5%88%994OC%26%23178%3B%E2%80%94OD%26%23178%3B%E7%9A%84%E5%80%BC%E4%B8%BA)
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