1个回答
2013-05-13
展开全部
(-1/3x^m*y^n)�0�5*x^2ny^2m
=1/9x^2m*y^2m*x^2ny^2m
=1/9x^2(m+n)*y^2(m+n)
=1/9[x^(m+n)]�0�5*[y^(m+n)]�0�5
=1/9*9�0�5*16�0�5
=2304
说明:你写的最后应是2m!!!
=1/9x^2m*y^2m*x^2ny^2m
=1/9x^2(m+n)*y^2(m+n)
=1/9[x^(m+n)]�0�5*[y^(m+n)]�0�5
=1/9*9�0�5*16�0�5
=2304
说明:你写的最后应是2m!!!
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询