就【一道】初二数学题、、肯定赚分!已知一次函数y=-2x+4与y轴交于B点,y=3x+1与y轴交于点C,两函数的图象交点为A,求△ABC的面积.怎么各个的答案都不同..- -
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![就【一道】初二数学题、、肯定赚分!已知一次函数y=-2x+4与y轴交于B点,y=3x+1与y轴交于点C,两函数的图象交点为A,求△ABC的面积.怎么各个的答案都不同..- -](/uploads/image/z/14314448-56-8.jpg?t=%E5%B0%B1%E3%80%90%E4%B8%80%E9%81%93%E3%80%91%E5%88%9D%E4%BA%8C%E6%95%B0%E5%AD%A6%E9%A2%98%E3%80%81%E3%80%81%E8%82%AF%E5%AE%9A%E8%B5%9A%E5%88%86%21%E5%B7%B2%E7%9F%A5%E4%B8%80%E6%AC%A1%E5%87%BD%E6%95%B0y%3D-2x%2B4%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8EB%E7%82%B9%2Cy%3D3x%2B1%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9C%2C%E4%B8%A4%E5%87%BD%E6%95%B0%E7%9A%84%E5%9B%BE%E8%B1%A1%E4%BA%A4%E7%82%B9%E4%B8%BAA%2C%E6%B1%82%E2%96%B3ABC%E7%9A%84%E9%9D%A2%E7%A7%AF.%E6%80%8E%E4%B9%88%E5%90%84%E4%B8%AA%E7%9A%84%E7%AD%94%E6%A1%88%E9%83%BD%E4%B8%8D%E5%90%8C..-+-)
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