2016-03-30 19:03发布
快快快,亲们,拜托惹
您好,笨鸟为您解答:
(-8)^(2n-1)×0.125^(2n+1)
=(-8)^(2n+1-2)×0.125^(2n+1)
=(-8)^(2n+1)×(-8)²×0.125^(2n+1)
=【(-8)×0.125】^(2n+1)×(-8)²
=(-1)^(2n+1)×64
=(-1)×64
=-64
满意请采纳,谢谢!!
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您好,笨鸟为您解答:
(-8)^(2n-1)×0.125^(2n+1)
=(-8)^(2n+1-2)×0.125^(2n+1)
=(-8)^(2n+1)×(-8)²×0.125^(2n+1)
=【(-8)×0.125】^(2n+1)×(-8)²
=(-1)^(2n+1)×64
=(-1)×64
=-64
满意请采纳,谢谢!!
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