18KiB, 600x600, SDX-hero.jpg View SameGoogleiqdbSauceNAO Anonymous Tue 27 Oct 20:08:47 2020 No.12279842 ViewReplyOriginalReport Quoted By: >>12279849 >>12279860 >>12279945 >>12279960 Explain to me why subraction and division is just addition and multiplication, respectively.