operasi hitung campuran

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Across
  1. 1. -76-90
  2. 3. 20x(-300)x(6+4)
  3. 4. -4x-31
  4. 5. -756 + (-567)
  5. 7. (3700+5300)-12x5
  6. 8. 2x100+3x10+3x100+2x10
  7. 9. 56-(-98)
Down
  1. 1. -172:2
  2. 2. (-400):(-2+(-3))x2500
  3. 3. 98x(-5)
  4. 4. 7x100+3x10:2x40+5x10
  5. 6. 234 + (-39)