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Ti ZÉ Matemático

Page history last edited by Inpi 6 years, 4 months ago

Contas de Dividir

Quando é que um número é divisível por 3?

R Quando a soma dos seus algarismos é divisível por 3.

3, 6, 9, 12, 15, 18, 21, 24, 27, 30

3:3 = 1

6:3 = 2

9:3 = 3

12:3 = 4

15

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