Question 15
The numbers below form an arithmetic sequence. What is the 10th number?
266, 254, 242, 230, 218, …
266, 254, 242, 230, 218, …
HKIMO 2019 Grade 2 National Final (Heat) Set 02 Question 15
HKIMO · HKIMO 2019 Grade 2 National Final (Heat) Set 02