英语翻译In how many different ways can be individual letters of the word PAPABOLA be arranged in a line such that the three letter as appear consecutively?求地道的翻译 没弄明白三个字母连续出现是什么意思
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英语翻译InhowmanydifferentwayscanbeindividuallettersofthewordPAPABOLAbearrangedinalinesuchthatthethreele
英语翻译In how many different ways can be individual letters of the word PAPABOLA be arranged in a line such that the three letter as appear consecutively?求地道的翻译 没弄明白三个字母连续出现是什么意思
英语翻译
In how many different ways can be individual letters of the word PAPABOLA be arranged in a line such that the three letter as appear consecutively?求地道的翻译 没弄明白三个字母连续出现是什么意思
英语翻译In how many different ways can be individual letters of the word PAPABOLA be arranged in a line such that the three letter as appear consecutively?求地道的翻译 没弄明白三个字母连续出现是什么意思
有多少种方法将由独立的字母组成的单词PAPABOLA重新组成为有个字母3次连续出现.
你注意到three letter 不加s么.就是讲3个A排在一起.
就是中国的排列组合题,如1,2,1,2,3,4,5,2 将三个2排在一起,组成8位数会有多少个?
注意有两个P
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