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關於3x3y8x2y3x33x3y的百科

代數式4x3﹣3x3y+8x2y+3x3+3x3y﹣8x2y﹣7x3的值(  )A.與x,y有關    B.與...
  • 代數式4x3﹣3x3y+8x2y+3x3+3x3y﹣8x2y﹣7x3的值(  )A.與x,y有關    B.與...

  • 問題詳情:代數式4x3﹣3x3y+8x2y+3x3+3x3y﹣8x2y﹣7x3的值()A.與x,y有關    B.與x有關            C.與y有關          D.與x,y無關【回答】D【解答】解:4x3﹣3x3y+8x2y+3x3+3x3y﹣8x2y﹣7x3=(4+3﹣7)x3+(﹣3+3)x3y+(8﹣8)x2y=0.故代數式4x3﹣3x3y+8x2y+3x3+3x3y﹣8x2y﹣7x3的值與x,y無關....
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