只看见被除式最后一项是-3x²y和中间的/号,翻看答案是4x²y²-3xy+6x,复原此算式污染后新式为(《?》 -3x²y )/《?》=4x²y²-3xy+6x
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 03:11:30
![只看见被除式最后一项是-3x²y和中间的/号,翻看答案是4x²y²-3xy+6x,复原此算式污染后新式为(《?》 -3x²y )/《?》=4x²y²-3xy+6x](/uploads/image/z/1333504-64-4.jpg?t=%E5%8F%AA%E7%9C%8B%E8%A7%81%E8%A2%AB%E9%99%A4%E5%BC%8F%E6%9C%80%E5%90%8E%E4%B8%80%E9%A1%B9%E6%98%AF-3x%26%23178%3By%E5%92%8C%E4%B8%AD%E9%97%B4%E7%9A%84%2F%E5%8F%B7%2C%E7%BF%BB%E7%9C%8B%E7%AD%94%E6%A1%88%E6%98%AF4x%26%23178%3By%26%23178%3B-3xy%2B6x%2C%E5%A4%8D%E5%8E%9F%E6%AD%A4%E7%AE%97%E5%BC%8F%E6%B1%A1%E6%9F%93%E5%90%8E%E6%96%B0%E5%BC%8F%E4%B8%BA%EF%BC%88%E3%80%8A%EF%BC%9F%E3%80%8B+-3x%26%23178%3By+%EF%BC%89%2F%E3%80%8A%EF%BC%9F%E3%80%8B%3D4x%26%23178%3By%26%23178%3B-3xy%2B6x)
只看见被除式最后一项是-3x²y和中间的/号,翻看答案是4x²y²-3xy+6x,复原此算式污染后新式为(《?》 -3x²y )/《?》=4x²y²-3xy+6x
只看见被除式最后一项是-3x²y和中间的/号,翻看答案是4x²y²-3xy+6x,复原此算式
污染后新式为
(《?》 -3x²y )/《?》=4x²y²-3xy+6x
只看见被除式最后一项是-3x²y和中间的/号,翻看答案是4x²y²-3xy+6x,复原此算式污染后新式为(《?》 -3x²y )/《?》=4x²y²-3xy+6x
(-3x²y)*(4x²y²-3xy+6x)=-12x4y3+9x3y2-18x3y
所以原版式为
(-12x4y3+9x3y2-18x3y)/(-3x²y)=4x²y²-3xy+6x