a的n-5次方×(a的n+1次方b的3m-2次方)的二次方×(-b的3m+2次方)

问题描述:

a的n-5次方×(a的n+1次方b的3m-2次方)的二次方×(-b的3m+2次方)

a的n-5次方×(a的n+1次方b的3m-2次方)的二次方×(-b的3m+2次方)
=a的n-5次方×a的2n+2次方b的6m-4次方×(-b的3m+2次方)
=a的3n-3次方b的6m-4次方×(-b的3m+2次方)
=- a的3n-3次方b的9m-2次方