Question
Find the following values without a calculator.
  1. 18 ÷ 3 x 3 + 4 - 9 = _____
  2. 18 + 20 ÷ 2 - 1 x 7 = _____
  3. 7 x 4 ÷ 2 - 1 + 8 = _____
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

Find the following values without a calculator.
  1. 18 ÷ 3 x 3 + 4 - 9 = _____
  2. 18 + 20 ÷ 2 - 1 x 7 = _____
  3. 7 x 4 ÷ 2 - 1 + 8 = _____