750 , a 749.4 750.1 749.5 748.6 746,9 754.1 751.7 750.7 751,3 746.6 747.1 754.7 754.2 752 , 7 | 74.1.7 746.5 741 , 9 ; 747.5 + -- 8 , 7 ; N.