Question

Eason

求解

180°(14-2)
,
215
3. ZA+ZB+ZC+ ZDF
+ZE+ZF+ZG= 1080_10
B
-afratla
>
180°
az
5%
C
1
:90.12
(80×7-(L1+L2... L14)
1080 = 1260-3x360
E

Answer 1

薯餅~

帶公式（n-4)×180
得（7-4）×180=540