(-1/10)+(-3)^0+(-0.2)^2007*(-5)^2006
问题描述:
(-1/10)+(-3)^0+(-0.2)^2007*(-5)^2006
改一下(-1/10)^-2+(-3)^0+(-0.2)^2007*(-5)^2006
答
(-1/10)+(-3)^0+(-0.2)^2007*(-5)^2006
=-0.1+1+0.2*(-0.2)^2006*(-5)^2006
=0.9+0.2*{(-0.2)*(-5)}^2006
=1.1改一下题目(-1/10)^-2+(-3)^0+(-0.2)^2007*(-5)^2006(-1/10)-2+(-3)^0+(-0.2)^2007*(-5)^2006=-0.1-2+1+0.2*(-0.2)^2006*(-5)^2006=-1.1+0.2*{(-0.2)*(-5)}^2006=-0.9