[8 / 5 / ?] 681KiB, 904x779, big_head.png View SameGoogleImgOpsiqdbSauceNAO Thread Reply Original Report Media View Same Google ImgOps iqdb SauceNAO Download Anonymous ID:j5FroUPz Sun 26 Nov 2017 09:04:41 No.3085753 View ViewReplyOriginalReport Quoted By: >>3086486 >>3088840 Only people who can take the derivative of x^2 can post in this thread. Brainlets get out.