00000nz  a2200000n  4500
001  KSH2002019039
005  20030101000000
008  020804 n azknn|abn          |a a|a    | 
150  ▼a호산 암산[胡算暗算]▲
550  ▼a암산[暗算]▲
550  ▼a필산[筆算]▲
550  ▼a호산 가감산[胡算加減算]▲