Question
PSLE
Find the value of the following when a = 3.
  1. 20 - 2a
  2. 5a - 25
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 a = 3.
  1. 20 - 2a
  2. 5a - 25