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영재들의창의학교
1.선긋기2.수11~20익히기3.수의크기비교하기(1)4.가르기와모으기5.9이하수의덧셈6.9이하수의뺄셈7.수21~30익히기8.수의크기비교하기(2)9.9이하수의덧셈과빨셈