the Pi Day Event at Winston Salem NC will be held at C.G. Hill Park，。
the Pi Day Event at Winston Salem NC: A Times Table Rap for the World From the official website fo the International Day of mathematics， Saturday 12:00-4:00pm. On the event titled The Times Table Rap for the World 。
如何背乘法口诀 ，imToken， please visit (by Yuchuan Wei ) https://blog.sciencenet.cn/blog-3004473-1525742.html 上一篇：π日说π： 圆周率3.14到底是计算出来的还是测量出来的？ 下一篇：给外国人教教如何数数，imToken钱包， Dr Yuchuan Wei will teach the simplified probunciation for numbers and the times table. Everyone is invited， especially the familly with students. The rap will change your kids math learning and will start the numeracy compain in the world. For more information on Pi day events。
