Question
Find the following values without a calculator.

  1. 277 - 190 = _____
  2. 286 - 174 = _____
  3. 272 - 168 = _____
  4. 372 - 154 = _____
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. 277 - 190 = _____
  2. 286 - 174 = _____
  3. 272 - 168 = _____
  4. 372 - 154 = _____