HCM202_-_SU_2023_-_DN_58.webp

(Choose 1 answer)
Given a binary tree below. What is a result of pre-order traverse?
A. 1, 2, 6, 7, 5, 3, 8, 4
B. 1, 2, 6, 7, 5, 3, 4, 8
C. 7, 6, 2, 5, 1, 3, 8, 4
D. 7, 6, 5, 2, 8, 4, 3, 1
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