多项式-axy²-1/2x与1/4x-bxy²的和是一个单项式,则a,b的关系是( )当k=( )时,多项式3x²-2kxy+3y²+1/2xy-4中不含xy项
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![多项式-axy²-1/2x与1/4x-bxy²的和是一个单项式,则a,b的关系是( )当k=( )时,多项式3x²-2kxy+3y²+1/2xy-4中不含xy项](/uploads/image/z/11544122-2-2.jpg?t=%E5%A4%9A%E9%A1%B9%E5%BC%8F-axy%26%23178%3B-1%2F2x%E4%B8%8E1%2F4x-bxy%26%23178%3B%E7%9A%84%E5%92%8C%E6%98%AF%E4%B8%80%E4%B8%AA%E5%8D%95%E9%A1%B9%E5%BC%8F%2C%E5%88%99a%2Cb%E7%9A%84%E5%85%B3%E7%B3%BB%E6%98%AF%EF%BC%88+%EF%BC%89%E5%BD%93k%3D%28+%29%E6%97%B6%2C%E5%A4%9A%E9%A1%B9%E5%BC%8F3x%26%23178%3B-2kxy%2B3y%26%23178%3B%2B1%2F2xy-4%E4%B8%AD%E4%B8%8D%E5%90%ABxy%E9%A1%B9)
多项式-axy²-1/2x与1/4x-bxy²的和是一个单项式,则a,b的关系是( )当k=( )时,多项式3x²-2kxy+3y²+1/2xy-4中不含xy项
多项式-axy²-1/2x与1/4x-bxy²的和是一个单项式,则a,b的关系是( )
当k=( )时,多项式3x²-2kxy+3y²+1/2xy-4中不含xy项
多项式-axy²-1/2x与1/4x-bxy²的和是一个单项式,则a,b的关系是( )当k=( )时,多项式3x²-2kxy+3y²+1/2xy-4中不含xy项
多项式-axy²-1/2x与1/4x-bxy²的和是一个单项式,则a,b的关系是( 互为相反数 )
当k=( 1/2 )时,多项式3x²-2kxy+3y²+1/2xy-4中不含xy项