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英语 in numbering the pages of book,555 digits were used .how many pages were there?第2题 the symmetrical geek cross has a square piece,the exact size of one of its arms,cut out.can you cut the remains of the cross into four pieces and then rearrange the pieces to form a square?

分类: 作业答案 • 2022-01-02 13:59:10

问题描述：

英语 in numbering the pages of book,555 digits were used .how many pages were there?
第2题 the symmetrical geek cross has a square piece,the exact size of one of its arms,cut out.can you cut the remains of the cross into four pieces and then rearrange the pieces to form a square?

答

9+99*2+3x=555,x=116,therefore total pages = 9+99+116=224 pages.

英语 in numbering the pages of book,555 digits were used .how many pages were there?第2题 the symmetrical geek cross has a square piece,the exact size of one of its arms,cut out.can you cut the remains of the cross into four pieces and then rearrange the pieces to form a square?

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