numbers and expressions crossword by mark

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1234567891011
Across
  1. 4. 10−?+6
  2. 7. 14−3+?=16
  3. 8. add -2 to -5
  4. 9. 8×2−?=11
  5. 10. 58 in half
  6. 11. add a 1 to zero by multiplying
Down
  1. 1. 9+6-?=11
  2. 2. 7−5+?=8
  3. 3. ?+3−2=5
  4. 5. 6×?=24
  5. 6. ?+5×2=13
  6. 7. 15 doubled