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2014-03-22T12:56:28+02:00
A__________ ___________ ___________+4
b__________
564-4-560
560:4=140-b
a=140+140+140+4=424
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2014-03-22T13:02:29+02:00
|------|------|------|.4...
|------|
                        564- 4⇒560
                        560/4⇒140- b 
                     PROBA  140+140+140+4⇒424
  MULT SUCCES!
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