Math

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Across
  1. 3. 10x-1=
  2. 4. -210 divided by 70=
  3. 6. -3-5=
  4. 8. 81 divided by 9=
  5. 9. 15+-6=
  6. 10. -1x-5=
  7. 11. -25+-25=
Down
  1. 1. 16-15=
  2. 2. -70 divided by -10=
  3. 3. -1--8=
  4. 5. 5x2=
  5. 7. 15+15=