MATH

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Across
  1. 4. 6.%
  2. 5. 2.()
  3. 6. 5.5_20=-15
Down
  1. 1. 4.x
  2. 2. 3.3_7=10
  3. 3. 1.(2x5)+2 Divided By 4-3
  4. 7. and down