153KiB, 306x306, 5E66E06F-B6A6-4A55-855D-1196ACBCA79D.png View SameGoogleiqdbSauceNAO Anonymous Thu 29 Aug 16:00:27 2019 No.10928047 ViewReplyOriginalReport Quoted By: >>10928099 >>10928169 >>10928279 >first order differential equations Is this the wall?