Link:/s/1kqpnnn2jvfesfue7kflwvtg
Extraction code: g6va "Qiao Hu Mathematical Breakthrough &; Jiujiu multiplication group
Directory:
99 multiplication song
1- the secret of multiple, a little expert in mathematics.
Master of Mathematics, Discovery of 2-99 Multiplication
Math Master 3- Multiplication in Life
165438+1On October 23rd, at the invitation of the Education Bureau of the Sixth Division of the Corps, Jincheng 20 19 winter education aid group successfully arriv