Question
Find the following values without a calculator.
  1. 36 + 72 = _____
  2. 32 + 38 = _____
  3. 68 + 69 = _____
  4. 86 + 23 = _____
3 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. 36 + 72 = _____
  2. 32 + 38 = _____
  3. 68 + 69 = _____
  4. 86 + 23 = _____