Question
Find the following values without a calculator.
Give your answers in this manner. (Eg 122334, 45)
  1. 19 + _____ = 1
  2. 720 + _____ = 1
  3. 920 + _____ = 1120
  4. 3417 + 3617 = _____
2 m

Click button first when a symbol is required. X

Find the following values without a calculator.
Give your answers in this manner. (Eg 122334, 45)
  1. 19 + _____ = 1
  2. 720 + _____ = 1
  3. 920 + _____ = 1120
  4. 3417 + 3617 = _____