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一、摆一摆,写算式,讲意义(1)把12根小棒平均分成3份,每份4根。(在儿童操作过程中,注意发现不同摆法,激励儿童发散性思维的火花)如:
First, posing, writing formula, meaning (1) 12 small sticks equally divided into 3 copies, each 4. (In the process of children's operation, pay attention to the discovery of different pendulum method, to stimulate children's divergent thinking spark) Such as: