Question
Count the number of beads on each string.
  1. String P
  2. String Q
  3. String R
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 P
  2. String Q
  3. String R