chapter 42 Defeat Dirk again

Two answers, not difficult to verify. Just add it. When Bambu verified all the two extra answers, he felt bad. Yes! Both answers turned out to be correct! Are there really six answers to this question? how so? I have obviously calculated it carefully! How come there are six answers? "Impossible, impossible..." Dirk wiped the sweat from his forehead indiscriminately and started calculating again. Seeing Dirk appearance, Jonan and others were suddenly stunned. What is the...