matematica

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Across
  1. 4. 117+801
  2. 6. 12/6
  3. 8. 8*9
  4. 9. 18-22*1+4+7*4+1000
Down
  1. 1. 7*50-6+7-4/2 350-6+7-2 344-5
  2. 2. 25/5+7*8-4 5+56-4
  3. 3. 20*4+35/5 80+7
  4. 5. 4*8
  5. 7. 10*3+7+8*5-30+45