Skip to content / Đến nội dung
ThichHocToan.com

Australian AMC 2022 - Senior Question 4

AMC AUSTRALIA · Australian AMC 2022 - Senior

Question 4

$\frac1{20}-\frac1{22}=$
  1. $\frac12$
  2. $\frac1{42}$
  3. $-\frac1{440}$
  4. $-\frac1{44}$
  5. $\frac1{220}$