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Nonamiya [84]
3 years ago
12

if you’re good with set theory and this sudoko puzzle in math 30 please help with question 33!! real answers only !!

Mathematics
1 answer:
Sidana [21]3 years ago
6 0

Answer:  A) 2, 7, 9

<u>Step-by-step explanation:</u>

In a sudoku puzzle, there are three rules:

  1. Each vertical line must contain the numbers 1 - 9, with no duplicates
  2. Each horizontal line must contain the numbers 1 - 9, with no duplicates
  3. Each 3 x 3 box must contain the numbers 1 - 9, with no duplicates.

Using logic:

2 must go in the 1st box. It cannot go in the 2nd or 3rd shaded square because 2 is already in that 3 x 3 box.

That leaves the 2nd and 3rd shaded square.  

9 cannot go in the 2nd shaded square because 9 is already in that vertical line.

Therefore, 9 must go in the 3rd shaded square.

That leaves the 2nd shaded square.

7 must go in the 2nd shaded square because it is the only number remaining (2 and 9 have already been placed in the other squares).

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