用简便方法计算.0.25^2012×4^2012-8^100×0.5^300
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用简便方法计算.0.25^2012×4^2012-8^100×0.5^300
用简便方法计算.0.25^2012×4^2012-8^100×0.5^300
用简便方法计算.0.25^2012×4^2012-8^100×0.5^300
0.25^2012×4^2012-8^100×0.5^300
= (0.25×4)^2012-2^300×0.5^300
=1-(2×0.5)^300
=1-1
=0