√---根号.1、若m满足√3x-5y-2-m + √2x+3y-m = √x-199+y ×√199-x-y ,求m的值2、设1996x³=1997y³=1998z³ ,xyz>0 ,且³√1996x² + 1997y² + 1998z² =³√1996+³√1997+³√1998 ,求1\x + 1\y
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![√---根号.1、若m满足√3x-5y-2-m + √2x+3y-m = √x-199+y ×√199-x-y ,求m的值2、设1996x³=1997y³=1998z³ ,xyz>0 ,且³√1996x² + 1997y² + 1998z² =³√1996+³√1997+³√1998 ,求1\x + 1\y](/uploads/image/z/15081419-11-9.jpg?t=%E2%88%9A---%E6%A0%B9%E5%8F%B7.1%E3%80%81%E8%8B%A5m%E6%BB%A1%E8%B6%B3%E2%88%9A3x-5y-2-m+%2B+%E2%88%9A2x%2B3y-m+%3D+%E2%88%9Ax-199%2By+%C3%97%E2%88%9A199-x-y+%2C%E6%B1%82m%E7%9A%84%E5%80%BC2%E3%80%81%E8%AE%BE1996x%26sup3%3B%3D1997y%26sup3%3B%3D1998z%26sup3%3B+%2Cxyz%3E0+%2C%E4%B8%94%26sup3%3B%E2%88%9A1996x%26sup2%3B+%2B+1997y%26sup2%3B+%2B+1998z%26sup2%3B+%3D%26sup3%3B%E2%88%9A1996%2B%26sup3%3B%E2%88%9A1997%2B%26sup3%3B%E2%88%9A1998+%2C%E6%B1%821%5Cx+%2B+1%5Cy)
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