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负四分之一^2005次方乘负四2004次方等于多少
人气:348 ℃ 时间:2019-08-13 17:47:16
解答
(-1/4)^2005 * (-4)^2004
= (-1/4) * (-1/4)^2004 * (-4)^2004
= (-1/4) * {(-1/4)*(-4)}^2004
= (-1/4) * 1^2004
= -1/4
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