54KiB, 1024x512, 1618168425852.jpg View SameGoogleiqdbSauceNAO Anonymous Wed 14 Apr 18:59:24 2021 No.12975244 ViewReplyOriginalReport Quoted By: >>12975414 >>12975485 >>12976347 >>12976350 >>12977565 Any good resource for mathematical thinking/proof writing etc for retards?