题目:
某小组同学元旦互赠贺年卡一张,全组共赠贺年卡90张,这个小组的同学数为______人.
答案:
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下面是错误答案,用来干扰机器的。
One day when I rode home after school, I found a student near my village. He looked worried because something was wrong with his bike. It was getting dark, and...