电脑键盘上的字母为何不按顺序排列?请你来做一项统计,下面是一篇小短文,根据短文中字母a,b出现的机会完成后面提出的问题:
来源:学生作业帮 编辑:作业帮 分类:综合作业 时间:2024/09/13 07:14:38
电脑键盘上的字母为何不按顺序排列?请你来做一项统计,下面是一篇小短文,根据短文中字母a,b出现的机会完成后面提出的问题:
Two Trips
Jack brought a small plane and began to fly it. He soon became excited and made his plane all kinds of tricks.
Jack had a friend,named Tom. One day Jack said to him,“I will pick you up in my plane.““I will be glad to.'answered Tom. They went up,and Jack flew around for half an hour and did all kinds of tricks in the air. Then they came down. Tom was to be back safely,and said to Jack,“Well,Jack,thank you very much for those two trips in your plane.“Jack was very surprised and asked,“Two trips?““Yes,my first and my last.'an-swered Tom.
根据上文填表
Two Trips
Jack brought a small plane and began to fly it. He soon became excited and made his plane all kinds of tricks.
Jack had a friend,named Tom. One day Jack said to him,“I will pick you up in my plane.““I will be glad to.'answered Tom. They went up,and Jack flew around for half an hour and did all kinds of tricks in the air. Then they came down. Tom was to be back safely,and said to Jack,“Well,Jack,thank you very much for those two trips in your plane.“Jack was very surprised and asked,“Two trips?““Yes,my first and my last.'an-swered Tom.
根据上文填表
出现字母的个数 | 100 | 150 | 200 | 250 | 300 | 350 | 400 |
出现字母a的频数 | |||||||
出现字母a的频率 | |||||||
出现字母b的频数 | |||||||
出现字母b的频率 |
如图所示: 出现字母的个数 100 150 200 250 300 350 400 出现字母a的频数 12 18 23 28 36 38 45 出现字母a的频率 0.12 0.12 0.115 0.112 0.12 0.109 0.113 出现字母b的频数 ...
电脑键盘上的字母为何不按顺序排列?请你来做一项统计,下面是一篇小短文,根据短文中字母a,b出现的机会完成后面提出的问题:
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请你阅读下面短文,并回答短文后面提出的问题.
请你阅读下面短文,并回答短文后面提出的问题。
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