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va rog e urgent 19 le​

Va Rog E Urgent 19 Le class=

Răspuns :

Salut!

a)n+3/23 < 7/23 | : 23

n+3 < 7 | -3

n<4 => n={0,1,2,3}

b)17/n+5 > 17/9

scuze, dar nu stiu regula

c) 2n+1/47 <5/47 | : 47

2n+1 < 5 |-1

2n<4 | :2

n < 2 => n={0,1}

Spor!