Question
Find the following values without a calculator.

Give your answers in this manner. (Eg 122334
  1. 247 = ?7
  2. 1512 = ?12
  3. 1310 = ?10
  4. 412 = ?2
3 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
  1. 247 = ?7
  2. 1512 = ?12
  3. 1310 = ?10
  4. 412 = ?2