问题
解答题
小红、小明、小华、小刚四个小朋友玩老鹰抓小鸡的游戏，一个小朋友当老鹰，其他的三个小朋友当小鸡，想一想，有几种玩法？成为小鸡的三个人要按顺序排成队，他们各有几种排法？
答案
一个小朋友当老鹰，那么就是4人中选择1人，有4种不同的选择方法；
3×2×1=6（种）；
答：有4种玩法，成为小鸡的三个人要按顺序排成队，他们各有6种排法．
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小红、小明、小华、小刚四个小朋友玩老鹰抓小鸡的游戏，一个小朋友当老鹰，其他的三个小朋友当小鸡，想一想，有几种玩法？成为小鸡的三个人要按顺序排成队，他们各有几种排法？
一个小朋友当老鹰，那么就是4人中选择1人，有4种不同的选择方法；
3×2×1=6（种）；
答：有4种玩法，成为小鸡的三个人要按顺序排成队，他们各有6种排法．
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| Halloween falls __1__ October 31 st. It is one of the most favourite holidays for __2__ in the USA. People __3__ in costume like a witch, a ghost or a skeleton. The children go to houses __4__ "trick or treat". Long ago, __5__ a child was not good, he or she would get a trick like __6__ a stone in his or her bag instead of some candy. Parties are also popular __7__ the evening. People go to parties __8__ costumes and play different __9__ . People also like __10__ to ghost stories and watching scary movies. | |||
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