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0.25^2013×(-4﹚^2014求解?
人气:487 ℃ 时间:2020-04-14 22:43:01
解答
0.25^2013×(-4﹚^2014
=(1/4)^2013×(4﹚^2014
=(1/4×4)^2013×4
=1×4
=4
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