15) 
| 
Y muet 
2, 
6k,27 210[y]) 1 
u 
  
   
- dx45 + dx44 + 24xo5 + 2dx, 
dyog * dy,5 * 2dygp + 20ys,j 
= 24x45 + 24x44 + dx5g - dX 4 - 2dxg, - 2dx54 - dy49 + dy44 + 
Rayon! Pas 7 0952 + gyi 
= dx, + dx44 + 4dx5g + 4dX 45 + dx; + dx 
- ?2dX45 - 2dx4, - 20x, * 20x45 - 20x, * 2dx54 + 4dyıo + 4dy 4 4+ 
dyog + dy 45 + 4dy 52 + 4dy 545 
Weight numbers. 
n + 97c* + 2c? 
3220b 236° 
4 2 
1 Te 6c 
+ OE * RÀ 
5 3870b 45b 
u 
vl 
nN 
N 
o 
o jo 
>