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1/3+1/( )+1/( )+1/( )+1/( )+1/( )+1/( )+1/24=1 在括号内填上从4到23的不同整数,使得等式成立

分类: 作业答案 • 2021-12-19 18:44:11
问题描述：

1/3+1/( )+1/( )+1/( )+1/( )+1/( )+1/( )+1/24=1 在括号内填上从4到23的不同整数,使得等式成立
要有如何理解
有什么思路

答

1/3+1/(9 )+1/(18 )+1/(10 )+1/(15 )+1/(6 )+1/(8 )+1/24=1
思路
1/(9 )+1/(18 )=1/6
1/(10 )+1/(15 )=1/6
1/(6 )+1/(8 )+1/24=1/3

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