Question 8
For real $x,y$, find $x+y$ when $x^2-12x+3|2x-3y|$ is minimum.
HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 02 Question 8
HKIMO · HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 02
HKIMO · HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 02