Question
PSLE
Find the value of the following when f = 3.
  1. 19 - 2f
  2. 5f - 12
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
Find the value of the following when f = 3.
  1. 19 - 2f
  2. 5f - 12