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Daca media aritmetica a nr.a,b,si c ,este 8 aflati media aritmetica a nr.abc,bca,si cab...
.va rog



Răspuns :

(a+b+c):3=8
a+b+c=24
(100a+10b+c+100b+10c+a+100c+10a+b):3=
(111a+111b+111c):3=
111(a+b+c):3=111 x 24:3=888