00000nz  a2200000n  4500
001  KSH1998017308
005  20021020000000
008  980429 n azknn|abn          |a a|a    | 
150  ▼a공약수[公約數]▲
450  ▼wr▼i영어▼acommon divisor▲
550  ▼wg▼a수(숫자)[數]▲
550  ▼wh▼a최대 공약수[最大公約數]▲
550  ▼a공배수[公倍數]▲
550  ▼a약분[約分]▲