Question

Gasiti toate numerele naturale de forma 4x5y cu o linie deasupra divizibile cu:
a)2 b)5 c)10

Answer 1

a)4050, 4150, 4250, 4350, 4450,...,4950,4052,4152,...,4252,...,4952,...,4958      b)4050, 4150,...,4950,4055,4155,...,4955                                                              c)4050,4150,4250,..4950