Question

Gaseste toate numerele naturale de trei cifre in scrierea carora se intilnesc doar cifrele A)1 si 2,B)1 si 0,C)4,5 SI 0,D)2,5 si 1

Answer 1

a)121,211,112,212,221,122.
b)100,101,110.
c)450,405,540,504.
d)251,215,521,512,125,152.

Answer 2

a)121,211,112.222.212,111,221.
b)101,.001.,000.,111.,110 ,011,
c)450.540.405
504
d)251.152.512.125.215
succes