问题描述:
RT,
[4(a-b)^m-1]*[-3(a-b)^2m]
好吧...我错了...应该是这样的...
[4(a-b)^(m-1)]*[-3(a-b)^(2m)]
[4(a-b)^m-1]*[-3(a-b)^2m]
好吧...我错了...应该是这样的...
[4(a-b)^(m-1)]*[-3(a-b)^(2m)]
问题解答:
我来补答展开全文阅读