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A, B and C are whole numbers hidden in the three machines. Each machine changes the number on its left into the number on its right. What are A, B and C?

Class 6Properties of Whole NumbersWhole Numbers
  • A
  • B
  • C
  • D

Step-by-Step Solution

, so (multiplicative identity). , so (additive identity). , so .
Answer: B)

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