Vòng 3 - Vòng chung khảo

Question 1:         243

Question 2:         0.22

Question 3:         52

Question 4:         \(10+2\sqrt{35}\)

Question 5:         126

Question 6:         45

Question 7:         49.6

Question 8:         4

Question 9:         195

Question 10:      2506

Question 11:      1729

Question 12:      229

Question 13:      405

Question 14:      36

Question 15:      0.72