Question
Find the value of 1 unit.
  1. 1 u - 10 = 2
  2. 4 = 1 u - 1
  3. 8 - 1 = 1 u - 7
  4. 3 + 5 = 1 u - 10
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 - 10 = 2
  2. 4 = 1 u - 1
  3. 8 - 1 = 1 u - 7
  4. 3 + 5 = 1 u - 10