英语翻译一 If a film takes 90 minutes to show,what fraction of the film is completed 15 minutes after it begins?二 On a square gameboard that is divided into N rows of N squares each,K of these squares lie along the boundary of the gameboard.On
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![英语翻译一 If a film takes 90 minutes to show,what fraction of the film is completed 15 minutes after it begins?二 On a square gameboard that is divided into N rows of N squares each,K of these squares lie along the boundary of the gameboard.On](/uploads/image/z/6977366-62-6.jpg?t=%E8%8B%B1%E8%AF%AD%E7%BF%BB%E8%AF%91%E4%B8%80+If+a+film+takes+90+minutes+to+show%2Cwhat+fraction+of+the+film+is+completed+15+minutes+after+it+begins%3F%E4%BA%8C+On+a+square+gameboard+that+is+divided+into+N+rows+of+N+squares+each%2CK+of+these+squares+lie+along+the+boundary+of+the+gameboard.On)
英语翻译一 If a film takes 90 minutes to show,what fraction of the film is completed 15 minutes after it begins?二 On a square gameboard that is divided into N rows of N squares each,K of these squares lie along the boundary of the gameboard.On
英语翻译
一 If a film takes 90 minutes to show,what fraction of the film is completed 15 minutes after it begins?
二 On a square gameboard that is divided into N rows of N squares each,K of these squares lie along the boundary of the gameboard.
On a square gameboard that is divided into N rows of N squares each,K of these squares lie along the boundary of the gameboard,which of the following is a possible value for K
A.10 B.25 C.34 D.42 E.52
英语翻译一 If a film takes 90 minutes to show,what fraction of the film is completed 15 minutes after it begins?二 On a square gameboard that is divided into N rows of N squares each,K of these squares lie along the boundary of the gameboard.On
一.如果一部电影需要90分钟播完,那么这部电影在它开始15分钟后播放了电影的几分之几?
二.在一个被分成N排N个小块正方形的正方形游戏板上面,其中有K个这些正方形小块排列在游戏板的四周边缘.
选E.先在纸上画一个正方形,然后将其分成N行N列,这样就得到了很多小正方形,稍微观察一下你就会发现四周的小正方形数目是有规律的,即K=4N-4.将上面答案带进去算,发现只有52才符合.N=14,K=52.
如果一部电影需要90分钟来演,开始15分钟后电影已经放了几分之几?
在一方形的,被划分成N行,每行有N个方块(即划分成了N行N列)的赌台上,有K个方块位于赌台边界。