164KiB, 843x711, When-you-are-solving-a-word-problem-in-math-and-you-arrive-at-fathers-age-1-babies-age-27-meme-1241.jpg View SameGoogleiqdbSauceNAO Anonymous Sun 25 Apr 09:10:25 2021 No.13028624 ViewReplyOriginalReport Quoted By: >proof is simple >proceeds to use IUTT to prove why ab = ac implies b = c Why do undergraduate books do this?
