8 7 6 2 2 () fill in the blanks
Answer: 2
Algorithm: subtract two numbers separated by two numbers, and the difference is a decreasing sequence. 8-2 = 6,7-2 = 5,6 - () = 4
Therefore, 2
Answer: 2
Algorithm: subtract two numbers separated by two numbers, and the difference is a decreasing sequence. 8-2 = 6,7-2 = 5,6 - () = 4
Therefore, 2