60KiB, 640x640, 92C294B0-FBF0-4987-ACE6-601D0D3954D1.jpg View SameGoogleiqdbSauceNAO Anonymous Thu 18 Jun 19:15:52 2020 No.11812138 ViewReplyOriginalReport Quoted By: >>11812227 >>11812240 >>11812549 >>11812592 >>11813913 >>11814132 Is Khan Academy a good way to reteach myself Precalculus and Trigenometry in a month and a half?