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19 Determinați numerele naturale n,pt care: a) n+3/23<7/23 b)17/n+5>17/9 c)2n+1/47<5/47​

Răspuns :

Răspuns:

[tex]a.)n+3 < 7= > n < 7-3= > n < 4= > n=0,1,2,3\\\\b.)17*(n+5) > 17*9\\\\17n+85 > 153= > 17n < 153-85= > n < 68/17= > n < 4= > n=0,1,2,3\\\\\\c.)2n+1 < 5= > 2n < 5-1= > n < 4:2= > n < 2= > n=0,1[/tex]