addition and subtraction

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Across
  1. 3. The number from which another number is subtracted is called,---------------.
  2. 5. Which number has to be added or subtracted when you want number itself for the answer?
  3. 6. The number which is being subtracted from another number is called, -------------.
  4. 7. The resulting number obtained after subtraction.
Down
  1. 1. The resulting number obtained after adding.
  2. 2. The numbers being added.
  3. 4. the number zero is called the additive ------------.