Question
Find the value of 1 unit.
  1. 1 u - 7 = 7
  2. 7 = 1 u - 7
  3. 6 - 4 = 1 u - 9
  4. 1 + 4 = 1 u - 8
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 - 7 = 7
  2. 7 = 1 u - 7
  3. 6 - 4 = 1 u - 9
  4. 1 + 4 = 1 u - 8