I was surprised recently to encounter a "0x" instruction with two zeros included in the numbers that made it up.
Is that mathematically sound/kosher? Or did I err in completing the puzzle?
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| Author: | garrybl |
| Post subject: | two zeros in the same box |
I was surprised recently to encounter a "0x" instruction with two zeros included in the numbers that made it up. Is that mathematically sound/kosher? Or did I err in completing the puzzle? |
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| Author: | clm |
| Post subject: | Re: two zeros in the same box |
garrybl wrote: I was surprised recently to encounter a "0x" instruction with two zeros included in the numbers that made it up. Is that mathematically sound/kosher? Or did I err in completing the puzzle? Yes, it is mathematically valid for a multiplication since 0 x 0 x ... = 0 (not in a ":" cage), in fact it is frequent to find, i.e., 3-cell L-shape "x" cages with two 0's, or even 4-cell "x" cages with two 0's, in this type of "from 0" calcudokus. But we can never divide a 0 by another 0 in the process of "successive" division among the candidates in the cage, that would always produce an indetermination. |
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