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Dorin30
a fost răspuns

Rezolvati inecuatiile:a) x+2 <12 ; b)7-x>2; c)257+x <260; d)432-x>427

Răspuns :

a) x = (-infinit,10) b) x = (-infinit,5) c) x = (1,3) d) x = (-infinit,5)

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