Skip to content / Đến nội dung
ThichHocToan.com

VTMO 2015 — Grade 3 — final Question 3

VTMO · VTMO 2015 — Grade 3 — final

Question 3

Given $\circledast5=5+4+3+2+1$, evaluate $\circledast10$.
  1. $30$
  2. $40$
  3. $45$
  4. $50$
  5. $55$