Skip to content / Đến nội dung
ThichHocToan.com

VTMO 2026 - Grade 7 - Semifinal - SET 1 - Self-study Question 10

VTMO · VTMO 2026 - Grade 7 - Semifinal - SET 1 - Self-study

Question 10

Calculate $\displaystyle \frac8{1+\frac{20}{23}}\div\frac8{1-\frac{20}{23}}$.
  1. $\frac3{43}$
  2. $\frac{20}{23}$
  3. $\frac{23}{20}$
  4. $1$
  5. $\frac{129}{529}$