已知函数y=y1+y2,y1与x成正比例,y2与x成反比例,且当X=1时Y=4 X=2时Y=5 1求Y与X得函数关系 2当X=-2时Y的已知函数y=y1+y2,y1与x成正比例,y2与x成反比例,且当X=1时Y=4 X=2时Y=51求Y与X得函数关系2当X=-2时Y的值
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![已知函数y=y1+y2,y1与x成正比例,y2与x成反比例,且当X=1时Y=4 X=2时Y=5 1求Y与X得函数关系 2当X=-2时Y的已知函数y=y1+y2,y1与x成正比例,y2与x成反比例,且当X=1时Y=4 X=2时Y=51求Y与X得函数关系2当X=-2时Y的值](/uploads/image/z/8333239-31-9.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0y%3Dy1%2By2%2Cy1%E4%B8%8Ex%E6%88%90%E6%AD%A3%E6%AF%94%E4%BE%8B%2Cy2%E4%B8%8Ex%E6%88%90%E5%8F%8D%E6%AF%94%E4%BE%8B%2C%E4%B8%94%E5%BD%93X%3D1%E6%97%B6Y%3D4+X%3D2%E6%97%B6Y%3D5+1%E6%B1%82Y%E4%B8%8EX%E5%BE%97%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB+2%E5%BD%93X%3D-2%E6%97%B6Y%E7%9A%84%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0y%3Dy1%2By2%2Cy1%E4%B8%8Ex%E6%88%90%E6%AD%A3%E6%AF%94%E4%BE%8B%2Cy2%E4%B8%8Ex%E6%88%90%E5%8F%8D%E6%AF%94%E4%BE%8B%2C%E4%B8%94%E5%BD%93X%3D1%E6%97%B6Y%3D4++X%3D2%E6%97%B6Y%3D51%E6%B1%82Y%E4%B8%8EX%E5%BE%97%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB2%E5%BD%93X%3D-2%E6%97%B6Y%E7%9A%84%E5%80%BC)
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