(-0.2)^100*(-5)^101*(1/25)=?
问题描述:
(-0.2)^100*(-5)^101*(1/25)=?
答
(-0.2)^100*(-5)^101*(1/25)
=(-1/5)^100*(-5)^100*(-5)*(1/25)
=[(-1/5)*(-5)]^100*(-5)*(1/25)
=1^100*(-5)*1/25
=-1/5