jordLouheiliford jordLouheiliford

01-10-2016
Mathematics

contestada

aflati numerele de forma 5x2y devizibile cu 18

Respuesta :

Аноним Аноним

01-10-2016

un numar este divizibil cu 18, daca el este divizibil cu 2 si cu 9...ca sa fie divizibil cu 2 trebuie sa aiba ultima cifra para, iar ca sa fie divizibil cu 9, trebuie sa aiba suma cifrelor un multiplu de 9.

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