三个骰子猜一个数字的概率简介：They saw purple smoke in the valley ahead, and phantoms wandered in the purple smoke from time to time. Their experience of many treasure hunts told them that this must be a place of great treasure.
They saw purple smoke in the valley ahead, and phantoms wandered in the purple smoke from time to time. Their experience of many treasure hunts told them that this must be a place of great treasure.
