牛爸牛妈帮忙解道数学题

本帖于 2018-03-11 12:36:04 时间, 由普通用户 doudouhuang 编辑

Puzzle is 15 row and 15 line, total 225 cells. Every cell was blank or held a letter for both horizontal word  and a vertical word. Horizontally, there we 10 three letter words, 8 four-letter words, 8 five letter words, 6 six letter words, and some numbers of nine letters-words. Vertically, there were 4 three letter words, 6 four letter words, 6 five letter words, and 10 six letter words, 2 seven letter words, 4 eight letter words and some number of ten letter words. How many cells were blank. 

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33? -- 给 头 发送悄悄话 头 的博客首页 (0 bytes) () 03/11/2018 postreply 15:06:09

yes 33 -dr_yin- 给 dr_yin 发送悄悄话 (235 bytes) () 03/11/2018 postreply 19:50:03

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