
다음 채널에서 시청 가능: Prime Video
시즌 1, 에피소드 1: Dive right into the joys of mental math. First, learn the fundamental strategies of mental arithmetic (including the value of adding from left to right, unlike what you do on paper). Then, discover how a variety of shortcuts hold the keys to rapidly solving basic multiplication problems and finding squares.
Educational · 2020년 6월 1일 · 33분