Question

ile liczb trzycyfrowych o różnych cyfrach można utworzyć z cyfr (0,1,2,3,4,5)?

Answer 1

100,101,102,103,104,105,110,111,112,113,114,115,120,121,122,123,124,125,130,131,132,133,134,135,
140,141,142,143,144,145,150,151,152,153,154,155,
200,201,202,203,204,205,210,211,212,213,214,215,220,221,222,223,224,225,230,231,232,233,234,235,
240,241,242,243,244,245,250,251,252,253,254,255,
300,301,302,303,304,305,310,311,312,313,314,315,320,321,322,323,324,325,330,331,332,333,334,335,
340,341,342,343,344,345,350,351,352,353,354,355,
400,401,402,403,404,405,410,411,412,413,414,415,420,421,422,423,424,425,430,431,432,433,435,
440,441,442,443,444,445,450,451,452,453,454,455,
500,501,502,503,504,505,510,511,512,513,514,515,520,521,522,523,524,525,530,531,532,533,534,535,
540,541,542,543,544,545,550,551,552,553,554,555,

Nie jestem pewna , ale chyba wszystko .