Question
Find the following values without a calculator.

Give your answers in this manner. (Eg 122334
  1. 179 = ?9
  2. 229 = ?9
  3. 1811 = ?11
  4. 315 = ?5
3 m

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Find the following values without a calculator.

Give your answers in this manner. (Eg 122334
  1. 179 = ?9
  2. 229 = ?9
  3. 1811 = ?11
  4. 315 = ?5