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0.25^2008*4^2009-8^100*0.5^300=
人气:487 ℃ 时间:2020-09-06 15:07:06
解答
0.25^2008*4^2009-8^100*0.5^300
=(1/4)^2008*4^2009-8^100*(1/2)^300
=(1/4)^2008*4^2008*4-(2^3)^100*(1/2)^300
=(1/4*4)^2008*4-2^300*(1/2)^300
=1^2008*4-(2*1/2)^300
=4-1^300
=4-1
=3
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