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乘方 ①求几个相同因数的积的运算叫做乘方 a·a·…·a=an ②底数、指数、幂 (责任编辑：admin) |
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乘方 ①求几个相同因数的积的运算叫做乘方 a·a·…·a=an ②底数、指数、幂 (责任编辑：admin) |