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Giulieta5
a fost răspuns

rezolvati in multimea nr nat inecuatiile: 4•(7+x)-18 <50!!! Va rog urgentttt!!!!Dau coroana!!!!

Răspuns :

Chris02Junior
28+4x-18<50
4x<40
x<10 s x natural⇒
x∈{0,1,2,3,4,5,6,7,8,9}
4(7+x)-18<50=
28+4x-18<50=
4x<50-28+18=
4x<22+18=
4x<40
x<40 supra 4
x<10

Asa cred eu ca trebe facut :))