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detrmina cifrele a,b si c,cu 0 < a < b < c, astfel incat a1a+b1b+c1c=636

Răspuns :

a1a+b1b+c1c=636
100*a+10+a+100*b+10+b+100*c+10+c=636
101*a+101*b+101*c+30=636/--30
101*a+101*b+101*c=606/:101
a+b+c=6
a b si c sunt cifre-->
a=1 b=2 c=3