1758.6 764.8 764.4 767 , t 768.0 768.8 — 769.7 770.0 770.8 750.8 760.8 767.0 766.6 769.0 767.9 768.0 767,9 770.1 772.4 766.2 768.4 770.1 754.1 769.5 768.7 772.8 760.5+