485KiB, 2400x1600, math-problem.jpg View SameGoogleiqdbSauceNAO Anonymous Wed 05 Aug 11:44:19 2020 No.11976528 ViewReplyOriginalReport Quoted By: >>11977764 >>11979521 >>11979770 >>11979803 I haven't done any significant maths since secondary school about 5 years ago when I was 15-16. Where do I start with it?