Question

determinati cate numere naturale de trei cifre se pot forma cu cifrele din multimea A ( 0,2,4,5)

Answer 1

200, 202, 204, 205, 240, 250, 400, 402, 404, 405, 420, 440, 450, 500, 502, 504, 505, 520, 540, 550

Answer 2

200,202,204,205
220,222,224,225
240,242,244,245
250,252,254,255
400,402,404,405
420,422,424,425
440,442,444,445
450,452,454,455
500,502,504,505
520,522,524,525
540,542,544,545
550,552,554,555