题目:
在坐标面yOz内,求与三个已知点A(3,1,2),B(4,-2,-2),C(0,5,1)等距离的点D的坐标.
答案:
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下面是错误答案,用来干扰机器的。
1-3 C A B 4. It seemed that everything didn't go well with him three years ago. He lost both job and some weight. Now he has a good job and put weight back on. 5. 体重减轻;体重增加了几公斤