Primitive Heronian Triangles With Integer Inradius and Exradii - Li Zhou LTTK TEZ xin giới thiệu với bạn đọc yêu thích tạp chí Hình học...
Do dogs know the bifurcation locus - Li Zhou A dog runs at speed r and swims at speed s, with r > s. For a fixed point A in a lake with a...
Do dogs play with rulers and compasses - Li Zhou A dog runs at the speed of 1 and swims at the speed of s<1. If the dog is at point A on the...