1Answer:
1
Step-by-step explanation:
góc 2=góc 10=góc 4= góc 12= 123
góc 1= góc 3=góc 9= góc 11= 57
Answer:
(X-3)^2 - 4
Answer: 30.5
-1
-5-15+4+15
=-20+19
=-1