Question
Find the following values without a calculator.
Give your answers in this manner. (Eg 122334, 45)
  1. 19 + _____ = 1
  2. 1217 + _____ = 1
  3. 712 + _____ = 1112
  4. 2413 + 2513 = _____
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. 1217 + _____ = 1
  3. 712 + _____ = 1112
  4. 2413 + 2513 = _____