A seguir são apresentadas sequências numéricas incompletas. Analise cuidadosamente e complete:[br][br][br]a) 10, 20, _______, _______, 50, _______, _______, _______.[br][br]b) _______, 10, _______, 20, 25, _______, 35, _______.[br][br]c) 60, ________, 100, 120, _________, 160, __________.
a) 10, 20, 30, 40, 50, 60, 70, 80.[br]b) 5, 10, 15, 20, 25, 30, 35, 40.[br]c) 60, 80, 100, 120, 140, 160, 180.