CROSSWORD PUZZLE

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Across
  1. 1. around the figure
  2. 3. a part of a whole
  3. 8. the same as subtraction#
  4. 9. space
  5. 10. the same as addition
Down
  1. 2. a figure with four equal sides
  2. 4. long arrow shows at twelve exactly
  3. 5. the same as multiplication
  4. 6. is the unit to measure weight
  5. 7. it is shown by using long arrow in a clock