algebra/magicsquares

[neon burrow]

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[sand tinsel]

feel like this is questionable

LCM isn’t just multiplying the numbers together

if you have the factors 18 9 2 in one row that’s not LCM 36

nvm 36 seems right to me

[sand tinsel]

ok found a pretty convincing solution, what 3 squares did you rearrange here?

[sand tinsel]

36 doesn’t have to always go middle

[sand tinsel]

so the way I thought about it was

each row/column must have

one number that’s multiple of 4

and one that’s multiple of 9

or just a 36

[solemn ice]

putting 36 in the middle WLOG is fine, as then you find the amount with 36 in there and you can reorder the columns and rows

[sand tinsel]

true you can solve it that way