Question
Find the following values without a calculator.
Give your answers in this manner. (Eg 122334, 45)
  1. 45 + _____ = 1
  2. 518 + _____ = 1
  3. 920 + _____ = 1320
  4. 3611 + 4111 = _____
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. 45 + _____ = 1
  2. 518 + _____ = 1
  3. 920 + _____ = 1320
  4. 3611 + 4111 = _____