Question
Count the number of beads on each string.
  1. String X
  2. String Y
  3. String Z
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

Count the number of beads on each string.
  1. String X
  2. String Y
  3. String Z