Grade 4 Mixed Maths

Tom multiplies a number by 10, then multiplies the answer by 10. His final answer is 32000, what was his original number?

Bom multiplies a number by 10, then multiplies the answer by 10. His final answer is 6600, what was his original number?

Sam divides a number by 10, then divides the answer by 10. His final answer is 12, what was his original number?

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