(1)16—x²/12—x—x² (2)已知x+3y-3z=0,x-y-z=0,求x+y+z/3x+2y-z的值!
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![(1)16—x²/12—x—x² (2)已知x+3y-3z=0,x-y-z=0,求x+y+z/3x+2y-z的值!](/uploads/image/z/640510-70-0.jpg?t=%EF%BC%881%EF%BC%8916%E2%80%94x%26%23178%3B%2F12%E2%80%94x%E2%80%94x%26%23178%3B+%EF%BC%882%EF%BC%89%E5%B7%B2%E7%9F%A5x%2B3y-3z%3D0%2Cx-y-z%3D0%2C%E6%B1%82x%2By%2Bz%2F3x%2B2y-z%E7%9A%84%E5%80%BC%21)
(1)16—x²/12—x—x² (2)已知x+3y-3z=0,x-y-z=0,求x+y+z/3x+2y-z的值!
(1)16—x²/12—x—x²
(2)已知x+3y-3z=0,x-y-z=0,求x+y+z/3x+2y-z的值!
(1)16—x²/12—x—x² (2)已知x+3y-3z=0,x-y-z=0,求x+y+z/3x+2y-z的值!
m2-3m+2 _ m2-m (m-2)/m 1-(2/m) (m-1)/m
。。。