12æã®ãäŒã¿ã«ã€ããŠãé£çµ¡ãããŠããã ããŸãã
12æ28æ¥ïŒæ°ŽïŒïœ1/3ïŒç«ïŒè¿ã幎æ«ã®ãäŒã¿ãšãããŠããã ããŸãã
幎å§ã®ææ¥éå§æ¥ã¯1/4ïŒæ°ŽïŒãããšãããŠããã ããŸãã
å°ãå¬äŒã¿æéäžãææ¥æéã¯éåžžæéãšå€ãããªãè¡ããŸãã
1/9ïŒæïŒã¯ç¥æ¥ã§ã¯ãããŸãããéåžžéãéæ ¡ããããŸãã
äœåå®ãããé¡ãèŽããŸãã