Click on "What is Abacus Mental Arithmetic?"
珠心算就是在脑子里打算盘。
Thursday, December 13, 2018
Teaching Children to Overcome Math Problems
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Teacher Hau with Carol Ng, Hoo Xiao Hui, Angeline Lee, Soh Eik Hang, Hannah, Cayden, Athena Seah, Koh Yu Xin, Chua Jin Xuan, Chua Jin Ni, ...