numbers

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1234567
Across
  1. 1. 1+1=?
  2. 3. 1+2+3+2=?
  3. 6. It is f_ _ r o'clock.
  4. 7. I am s_ _ en years old.
Down
  1. 2. 0+1=?
  2. 4. It is t _ r _ e o'clock.
  3. 5. I am f_ _ e years old.
  4. 7. 3+3=?