-2^100×0.5^100×(-1)^2011-1/2敲计算器是0.简便过程是神马

Question

-2^100×0.5^100×(-1)^2011-1/2
敲计算器是0.简便过程是神马

Answer 1

-2^100×0.5^100×(-1)^2011-1/2
=-1×（2×0.5）^100×（-1）-1/2
=-1×1×(-1)-1/2
=1-1/2
=1/2;
=0.5;
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