32

TREFKANSBEREKENING.

x I z> I x' y' x'A y" 2 x'y' x" y" x"'\ D

3100 M. | I l 1 —■ z=

2„ + n_ jLuS- 12 13924 H4I+ 2832-UI- 44 215 220 tg.e = O.I2I9

\ z Z X 24 +ióU 38+122 1444 14884- 9272- 70+107136173

3 ?o + 2] + 11 + 132 + 134 !7424 17956 + 35376 + 91 + ig 176 241

+ « I + 22 ^S-SiioS XUï2 +248 +3 4 S 3

Z _ ^° + 1 -13-288-158 82944 24964+ 91008-234-230453 5o8 89 _ 4Jo + 58 +4^ + 42 + 536 1764 287296 + 45024^105+ 2 >°l g

£ _ 20- 4-18+112-219 12544 47961- 49056 +167 -181324 371

1 o < 8_ 7? 6d S32Q + I 168 + 12— 72 23 76

" ~ Z- 14=28+ 92-34 8464" n628i- 62744 + 181 - 3°4 351 464 80 + 7 + 1 + ^2 + 37 2704 1369 + 3848 +40+50 77 92 \l Z 2 0- I-2I- 88-341 7^ i-faS? + 60016 + 7 - 353 14 353

1 ' 70 + , ,5 = 55 48 9?o2? + 90 80- 0-3 7* 3 $

ï = X 7 ! +2 =!g +^ 21S 93372U *56-i59 + J9 3* 309

+ ^^3 322656 J^g^

- 63228°+ 384540

gem. |— 132 +141 I

log. zZx'y' = 5-58494I

log. (2 z'3 — 2 y") = 5-800909

log. tg. 2 « = 9.784032

2« = — 3i°i8'

« = — t5°39'