Two more Powerian pairs in the arbelos - Quang Tuan Bui We construct two more pairs of Archimedes circles analogous to those of Frank Power, in addition to those by Floor van Lamoen and the author. ✪ ✪ ✪ ✪ ✪ Link tải tài liệu: LINK TẢI TÀI LIỆU Theo LTTK Education