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a乘4a等于多少
更新时间: 2020-11-04 00:00:00  

a乘4a=4*a*a=4倍a的平方或者,4a乘a=4*a*a=4倍a的平方。

平方是一种运算,比如,a的平方表示a×a。代数中,一个数的平方是此数与它的本身相乘所得的乘积,一个元素的平方是此元素与它的本身相乘所得的乘积,平方也可视为求指数为2的幂的值。

关键词: 4a 等于 多少

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