设集合A={a1,a2,a3,a4,a5},B={a1^2,a2^2,a3^2,a4^2,a5^2},其中ai(i≤5,
3个回答
集合A里的元素分别为2,3,4,9,12
那B里的就是4,9,16,81,144
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