Question 3
Primes $x,y,z$ satisfy $2x^y+y^x=z$. Find the smallest $z$.
HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 04 Question 3
HKIMO · HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 04
HKIMO · HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 04