Question
Study the pattern.
130, A , B , 220, 250

Find the values of
  1. A
  2. B
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Study the pattern.
130, A , B , 220, 250

Find the values of
  1. A
  2. B