642 — 
r 
t = 
d,39622 
-20°2 
1,40284 
Cv = -0,812 
1,00474 -0,474 
1,715 
ü 
1,39835 
1,40505 
1,00477 
-0,477 
1,702 
b 
1,40348 
1,41024 
1,00482 
-0,482 
1,688 
V 
1,40741 
1,41431 
1,00490 
-0,490 
1,658 
r 
t = 
1,38813 
37° 2 
1,39499 
C v = -0,853 
1,00194 -0,494 
1,727 
D 
1,39022 
1,39719 
1,00501 
-0,501 
1,705 
b 
1,39518 
1,40236 
1,00515 
-0,515 
1,656 
V 
1,39901 
1,40627 
1,00519 
0,519 
1,645 
r 
t = 
1,37937 
= 55°3 
1,38652 
C v = -0,894 
1,00518 -0.518 
1,726 
D 
1,38143 
1,38860 
1,00521 
-0,521 
1,716 
b 
1,38640 
1,39375 
1,00530 
-0,530 
1,686 
V 
1,38998 
1,39743 
1,00536 
-0,536 
1,668 
r 
t = 
1,41890 
Solution 
= 8°6 
1,42503 
flf. 
Ç*. = -0,695 
1,00432 -0,432 
1.609 
D 
1,42113 
1,42737 
1 00439 
-0.439 
1,583 
b 
1,42639 
1,43303 
1,00451 
-0,451 
1,541 
V 
1,42066 
1,43719 
1,00456 
-0,456 
1,524 
r 
t = 
1,41148 
23°5 
1,41770 
C v = -0,740 
1,00441 -0,441 
1,678 
D 
1,41370 
1,42003 
1,00448 
-0,448 
1,652 
b 
1,41913 
1,42564 
1,00458 - 0,458 
1,616 
V 
1,42325 
1,42986 
1,00464 
-0,464 
1,595 
r 
t = 
1,40214 
42°0 
1,40849 
C, v — -0,791 
1,00453 -0,453 
1,746 
D 
1,40434 
1,41079 
1,00461 
-0,461 
1,757 
b 
1,40958 
1,41611 
1,00463 -0,463 
1,709 
V 
1,41356 
1,42015 
1,00466 
-0,466 
1,698 
