(연세수학 주산암산) 구구단 Multiplication Table - 같은수 여러번 더하기

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[kids] multiplication table, 구구단, 九九段, 9-3

[kids] multiplication table, 구구단, 九九段, 8-2

[kids] multiplication table, 구구단, 九九段, 7-3

http://www.youtube.com/watch?v=7VISoOJYfvU&feature=player_detailpage&list=PLq6NnxNwsuzf__-K0XIye_sRjIQc5SrBP

[kids] multiplication table, 구구단, 九九段, 6-2

http://www.youtube.com/watch?v=hcZU8oiy0Ng&feature=player_detailpage&list=PLq6NnxNwsuzf__-K0XIye_sRjIQc5SrBP

[kids] multiplication table, 구구단, 九九段, 5-3

http://www.youtube.com/watch?v=NXNkuhnvIbs&feature=player_detailpage&list=PLq6NnxNwsuzf__-K0XIye_sRjIQc5SrBP

[kids] multiplication table, 구구단, 九九段, 4-2

http://www.youtube.com/watch?v=q7_UYxsPlbA&feature=player_detailpage&list=PLq6NnxNwsuzf__-K0XIye_sRjIQc5SrBP

[kids] multiplication table, 구구단, 九九段, 3-3

http://www.youtube.com/watch?v=0eXFbLV3Znc&feature=player_detailpage&list=PLq6NnxNwsuzf__-K0XIye_sRjIQc5SrBP

[kids] multiplication table, 구구단, 九九段, 2-2

http://www.youtube.com/watch?v=3Jl87Jyv1fA&feature=player_detailpage&list=PLq6NnxNwsuzf__-K0XIye_sRjIQc5SrBP