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Peter Norvig
2021-02-18 20:50:11 -08:00
committed by GitHub
parent 8829e7778c
commit 3ad6018af5
1 changed files with 8 additions and 7 deletions
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ipynb/CrossProduct.ipynb
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@@ -9,9 +9,10 @@
"# CrossProduct Puzzle\n",
"\n",
"The 538 Riddler [poses a type of puzzle](https://fivethirtyeight.com/features/can-you-cross-like-a-boss/) called ***CrossProduct***, which works like this:\n",
"> *Replace each \"?\" in the table with a single digit so that the product of the digits in each row equals the number to the right of the row, and the product of the digits in each column equals the number above the column.*\n",
"> \n",
"> | 6615 | 15552 |   420 | |\n",
"\n",
"*Replace each \"?\" in the table with a single digit so that the product of the digits in each row equals the number to the right of the row, and the product of the digits in each column equals the number above the column.*\n",
" \n",
"| 6615 | 15552 |   420 | |\n",
"|-------|-------|-------|---|\n",
"| ? | ? | ? |**210**|\n",
"| ? | ? | ? |**144**|\n",
@@ -19,10 +20,10 @@
"| ? | ? | ? |**135**|\n",
"| ? | ? | ? |**4**|\n",
"| ? | ? | ? |**49**|\n",
">\n",
"> *This is the solution:*\n",
">\n",
">|6615|15552|  420||\n",
"\n",
"*This is the solution:*\n",
"\n",
"|6615|15552|  420||\n",
"|---|---|---|---|\n",
"|7|6|5|**210**|\n",
"|9|8|2|**144**|\n",