difficult math problem

Why are the 2025 high school graduation exams in Math and English difficult, but Physics is very easy?

Báo Thanh niên

29/06/2025

The problem stumped '94% of Americans' but was too easy for Vietnamese students.

VTC News

12/10/2024

The math exam was difficult; very few students are expected to score 9 or 10 points.

Người Lao Động

27/06/2024