Question
A + 4 star = 10 stars
A + B = 7 stars
B + C = A + 9 stars

  1. A = _____ stars
  2. B = _____ stars
  3. C = _____ stars
5 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

A + 4 star = 10 stars
A + B = 7 stars
B + C = A + 9 stars

  1. A = _____ stars
  2. B = _____ stars
  3. C = _____ stars