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svlad2 [7]
3 years ago
9

Aflati numerele de forma 5x2y devizibile cu 18

Mathematics
1 answer:
KengaRu [80]3 years ago
3 0
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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