How do you do four Column solving

Question

Mathematics

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19 February, 20:22

How do you do four Column solving

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Answers (2)

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Alice Valenzuela · Answer 1

Arrange the first row arbitrarily: 1 2 3 4.

Then there is only one option to begin the next row: 3.

The remaining row must be 4 1 2.

This leaves no options for beginning the third row (1 and 3 are in the same column, and 2 and 4 share the diagonal).

Leroy Kidd · Answer 2

Arrange the first row arbitrarily: 1 2 3 4.

Then there is only one option to begin the next row: 3.

The remaining row must be 4 1 2.

This leaves no options for beginning the third row (1 and 3 are in the same column, and 2 and 4 share the diagonal).