Tipografie s-au tipărit 1200 de cărți pentru copii s-au trimis spre vânzare 40 de pachete a câte 18 cărți iar restul s-au dărmat în mod egal la 12 biblioteci câte cărți a primit fiecare bibliotecă

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.