Math

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Across
  1. 1. 1,2,3,4,5,6,7,8,9 5 is the ______.
  2. 5. 98.45
  3. 6. 1-1=0
  4. 7. x+5=7
Down
  1. 2. 8/2=4
  2. 3. 1/2
  3. 4. 5x5=25
  4. 8. 1+1=2