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(-1/3)^-2-(2/3)^2011×(-3/2)^2012=?
人气:481 ℃ 时间:2019-10-27 05:35:17
解答
(-1/3)^-2-(2/3)^2011×(-3/2)^2012
= (-3)^2-[(2/3)×(-3/2)]^2011×(-3/2)
=9-(-1)^2011×(-3/2)
=9-3/2
=15/2
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