是同类项,则有下面两个方程
m+n+2=6
3=3m-2n-2
解得,m=2.6,n=1.4
n的2m次方 = 1.4的5.2次方 ≈ 5.7526213
若3/4x5的m+n+2次方y的3次方与-4/3x的6次方y的3m-2n-2次方是同类项,求n的2m次方的值
若3/4x5的m+n+2次方y的3次方与-4/3x的6次方y的3m-2n-2次方是同类项,求n的2m次方的值
数学人气:978 ℃时间:2019-10-10 00:51:02
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