Students in Ho Chi Minh City encountered difficulty with two complex math problems on the recent high school graduation exam. The questions involved scenarios relating to beadwork and assisting a classmate named Binh with an unspecified challenge. Educators believe these problems were designed to differentiate top-performing students, effectively acting as a barrier to achieving scores of 9 or 10. The problems proved particularly challenging for many test-takers. This suggests a deliberate attempt to increase the difficulty level for the highest grades. The exam is a crucial step for students progressing to higher education. The specific nature of Binh’s challenge remains unspecified in reports.