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1234567
Across
  1. 4. d) 79 - 21 = _______
  2. 5. g) 26 - 13 = ________
  3. 7. a) 24 - 12=_______
Down
  1. 1. e) 51 + 42 = _______
  2. 2. c) 12 + 34 = _______
  3. 3. f) 29 + 32 = _______
  4. 6. b) 11 + 22 = _______