1742 6 7 5 6 30 - 1 A 6 B 9 50=19+31 51=7+13+31 52=23+29 53=3+19+31 50=3+47=7+43=13+37=19+31 1900 23 ( ) A 8 1912 3 30 C 2 C ( C) 1921 1930 25 (1905 1938) C C S S 33 1930 S 1937 S 67 835042000000000000000000000 9 99 ( 30 ) 67 9 99 67 1937 3 B S 4 B A 6 3300000 6 A ( ) 1 25 30 25=5 5 2 26=2 13 2 27=3 3 3 3 23=2 2 7 3 29 1 30=2 3 5 3 25 26 29 2 27 28 30 3 D A D m n m+n 1+2 1+1 A 1920 9+9 1924 7+7 1932 6+6 1938 5+5 1940 4+4 1938 1+1 1956 3+4 1956 3+3 1957 2+3 1962 1+5 5 1962 1+5 1963 1+4 1965 1+3 1965 1+3 1966 1+2 240 1973 1+2 1+1 1966 1+2
