Question
Find the following values without a calculator.

  1. 8 + 8 + 5 = _____
  2. 3 + _____ + 2 = 9
  3. 18 - 3 - 3 = ______
  4. _____ - 8 - 3 = 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 following values without a calculator.

  1. 8 + 8 + 5 = _____
  2. 3 + _____ + 2 = 9
  3. 18 - 3 - 3 = ______
  4. _____ - 8 - 3 = 3