21 Comments

  1. Ou fazer assim:
    9×1= 0
    9×2= 1
    9×3= 2
    9×4= 3
    9×5= 4
    9×6= 5
    9×7= 6
    9×8= 7
    9×9= 8
    9×10= 9
    E dps adicionar a ordem de trás pra frente:
    9×1= 09
    9×2= 18
    9×3= 27
    9×4= 36
    9×5= 45
    9×6= 54
    9×7= 63
    9×8= 72
    9×9= 81
    9×10= 90

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