-1/5x²yˆm+1+xy²-3x³-6.单项式3xˆ2n yˆ5-m与该多项式次数相同,m.
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![-1/5x²yˆm+1+xy²-3x³-6.单项式3xˆ2n yˆ5-m与该多项式次数相同,m.](/uploads/image/z/1162995-51-5.jpg?t=-1%2F5x%26%23178%3By%26%23710%3Bm%2B1%EF%BC%8Bxy%26%23178%3B%EF%BC%8D3x%26%23179%3B%EF%BC%8D6.%E5%8D%95%E9%A1%B9%E5%BC%8F3x%26%23710%3B2n+y%26%23710%3B5-m%E4%B8%8E%E8%AF%A5%E5%A4%9A%E9%A1%B9%E5%BC%8F%E6%AC%A1%E6%95%B0%E7%9B%B8%E5%90%8C%2Cm.)
-1/5x²yˆm+1+xy²-3x³-6.单项式3xˆ2n yˆ5-m与该多项式次数相同,m.
-1/5x²yˆm+1+xy²-3x³-6.单项式3xˆ2n yˆ5-m与该多项式次数相同,m.
-1/5x²yˆm+1+xy²-3x³-6.单项式3xˆ2n yˆ5-m与该多项式次数相同,m.
可得:
2+m+1=2n+5-m
m-n=1
少条件!