32KiB, 324x499, 510xaqyFeML._SX322_BO1,204,203,200_.jpg View SameGoogleiqdbSauceNAO Anonymous Fri 19 Jun 16:44:08 2020 No.11815215 ViewReplyOriginalReport Quoted By: >>11815247 >>11815647 How many hours a day should I dedicate to learning math from scratch, from arithmetic to calculus?