英語 in numbering the pages of book,555 digits were used .how many pages were there?
英語 in numbering the pages of book,555 digits were used .how many pages were there?
第2題 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?
第2題 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?
英語人氣：843 ℃時間：2020-04-16 10:00:30
優(yōu)質解答
9+99*2+3x=555,x=116,therefore total pages = 9+99+116=224 pages.
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