
﹥ 123 Easy Teaching Division ( ÷ ) : ...It is kind of "unfortunate" not to recite the(9x9 or 12x12) multiplication table... winner of the Fields prize, Qiu Chengtong,

﹥ 123 ÷ 2/4

﹥ 123 ÷ 3/4........both Image memory and Reasoning constructive mathematics

﹥ 123 ÷ 4/4...Let the children practice systematically, and cultivate the children's sense of number.