Question

determinati cifra a pentru care numerele urmatoare sunt divizibile cu 5: 68a;9a0;317a;a85;a28a.​

Answer 1

Răspuns:

$68a= > 680,685\\\\9a0= > 900,910,920,930,940,950,960,970,980,990\\\\317a= > 3170,3175\\\\a85= > 185,285,385,485,585,685,785,885,985\\\\a28a= > 5285$