107KiB, 666x613, EXOKpKxWAAEP34a.jpg View SameGoogleiqdbSauceNAO Anonymous Mon 28 Sep 02:59:30 2020 No.12169560 ViewReplyOriginalReport Quoted By: >>12169613 >>12169618 >>12169729 >>12169776 >>12170143 >>12170593 >>12171047 >>12171064 What is the most useful field of mathematics?
