已知xy的值满足x+1/2=y+3/4=x+y/5,求代数式3x+2y+1/x+2y+3的值
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![已知xy的值满足x+1/2=y+3/4=x+y/5,求代数式3x+2y+1/x+2y+3的值](/uploads/image/z/1090272-48-2.jpg?t=%E5%B7%B2%E7%9F%A5xy%E7%9A%84%E5%80%BC%E6%BB%A1%E8%B6%B3x%2B1%2F2%3Dy%2B3%2F4%3Dx%2By%2F5%2C%E6%B1%82%E4%BB%A3%E6%95%B0%E5%BC%8F3x%2B2y%2B1%2Fx%2B2y%2B3%E7%9A%84%E5%80%BC)
已知xy的值满足x+1/2=y+3/4=x+y/5,求代数式3x+2y+1/x+2y+3的值
已知xy的值满足x+1/2=y+3/4=x+y/5,求代数式3x+2y+1/x+2y+3的值
已知xy的值满足x+1/2=y+3/4=x+y/5,求代数式3x+2y+1/x+2y+3的值
先将x+1/2=y+3/4=x+y/5列为2个方程组.①x+1/2=y+3/4②y+3/4=x+y/5
然后求出X,y.
最后代入3x+2y+1/x+2y+3.