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  • all around the world should know
    1+1=2
  • 2x8
    16
  • 142x2
    284
  • 123x3
    369
  • 100+100
    200
  • 40x3
    120
  • 100x9
    900
  • 300x3
    900
  • 500x4
    2000
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