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Ex 13 Help Please Prieteni

Ex 13 Help Please Prieteni class=

Răspuns :

a) 12,22,32,42,52,62,72,82,92
b)20,21,22,23,24,25,26,27,28,29
c)109,119,129,139,149,159,169,179,189
d)119.219.319,419,519,619,719,819,919..gata
a) x =1,2,3,4,5,6,7,8,9
b) y =0,1,2,3,4,5,6,7,8,9
c) x =0,1,2,3,4,5,6,7,8,9
d) y =1,2,3,4,5,6,7,8,9