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求一题同底数幂除法 (½)八次幂÷(负½)三次幂
人气:441 ℃ 时间:2020-02-05 20:35:44
解答
(½)八次幂÷(负½)三次幂
=-(½)八次幂÷(½)三次幂
=-(½)^(8-3)
=-(½)^5
=负(½)五次幂
=-1/32
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