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Daca x=3siy+z=10calculeaza 17×x+17×y+17×z-10

Răspuns :

17×(x+y+z)-10
17×(3+10)-10
17×13-10
221-10
211 (l-am dat factor comun) , daca nu ai inteles , imi spui
17×x+17×y+17×z-10=
=17(x+y+z)-10=
=17(3+10)-10=
=17*13-10=
=221-10=
=211