Skip to content / Đến nội dung
ThichHocToan.com

VTMO 2026 - Grade 3 - Final - SET 2 - Self-study Question 7

VTMO · VTMO 2026 - Grade 3 - Final - SET 2 - Self-study

Question 7

Evaluate $(23+24+25+26+27+28+29)-(13+14+15+16+17+18+19)$.

Question illustration
  1. 42
  2. 55
  3. 60
  4. 65
  5. 70