Skip to content / Đến nội dung
ThichHocToan.com

BEBRAS 2021 Grade 7-8 Round 2 Ext Question 7

BEBRAS · BEBRAS 2021 Grade 7-8 Round 2 Ext

Question 7

Beavers make a bracelet by joining a star bead to a moon bead, repeating this twice more to make three pairs, joining the pieces into a chain, adding two more stars, then closing the chain into a ring.

Question illustration



Question illustration

How many of these five bracelets definitely cannot be made this way?

Question illustration
  1. 1
  2. 2
  3. 3
  4. 4