Pole trapezu – zadania. http://wirtualnaklasa.cba.pl/wp-content/uploads/2020/05/Pole_trapezu_zadania_kl_V_cz_1.mp4 http://wirtualnaklasa.cba.pl/wp-content/uploads/2020/05/Pole_trapezu_zadania_kl_V_cz_2.mp4