Skip to content / Đến nội dung
ThichHocToan.com

TIMO 2026 Grade 4 Preliminary SET 2 - Self-study Question 9

TIMO · TIMO 2026 Grade 4 Preliminary SET 2 - Self-study

Question 9

Find the value of 100 - 99 + 98 - 97 + ... + 4 - 3 + 2 - 1.
  1. 100
  2. 50
  3. 25
  4. 75