Question

cate nr nat de trei cifre scrise in baza zece impartite la 97 dau restul 96

Answer 1

abc:97=C rest 96
abc=97xC+96
c=1
c=2
c=3

c=9 abc=97x9+96=969
9 numere

Answer 2

abc:97=x,r=96
abc=97x+96
x=1
=>abc=97+96=193
x=2
=>abc=194+96=290
x=3
=>abc=291+96=387
x=4
=>abc=388+96=484
x=5
=>abc=485+96=581
x=6
=>abc=582+96=678
x=7
=>abc=679+96=775
x=8
=>abc=776+96=872 
x=9
=>abc=873+96=969
abc∈{193,290,387,484,581,678,775,872,969}
card=9