Question
Find the value of 1 unit.
  1. 1 u - 6 = 4
  2. 6 = 1 u - 6
  3. 9 - 4 = 1 u - 9
  4. 5 + 8 = 1 u - 3
4 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

(d)

Click button first when a symbol is required. X

Find the value of 1 unit.
  1. 1 u - 6 = 4
  2. 6 = 1 u - 6
  3. 9 - 4 = 1 u - 9
  4. 5 + 8 = 1 u - 3