(-1/10)+(-3)^0+(-0.2)^2007*(-5)^2006
展开全部
(-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
=-0.1+1+0.2*(-0.2)^2006*(-5)^2006
=0.9+0.2*{(-0.2)*(-5)}^2006
=1.1
追问
改一下题目(-1/10)^-2+(-3)^0+(-0.2)^2007*(-5)^2006
追答
(-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
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