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(-3)º+(-0.2)²º¹º×(-5)²º¹¹+(-½)-¹ =
人气:302 ℃ 时间:2020-05-28 18:42:50
解答
(-3)º+(-0.2)²º¹º×(-5)²º¹¹+(-½)-¹
=1+【(-0.2)×(-5)】²º¹º×(-5)-2
=1-5-2
=-6
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