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"Then they launched an attack on position 149 as soon as they completed the assembly?" I asked.Advanced Mathematics (3rd Edition of Peking University): I don't read much books on linear algebra. I studied advanced mathematics when I was in school, but it doesn't matter. Just look at the first five chapters. Cooperate with the corresponding video and master the relevant knowledge of matrix and determinant.元相泰（尹济文饰）是一个整天要求女儿“学习，学习，学习”的严厉父亲，而在工作中却是一个始终升不了职的科长。元相泰的女儿元度英（郑素敏饰）是一个“全世界都讨厌我也没关系，只要前辈喜欢我就行”的女高中生。在女儿梦想中的第一次约会即将变成现实，父亲多年来的晋升愿望也要实现的那天，父女二人竟然奇幻般地交换了身体。
父亲和女儿不得已要用对方的身体生活，在现实中遭遇各种不便。为了守住女儿的初恋和父亲的工作，父女二人拼了全力想要各归原位，却不料事情的发展却越变越糟。在这段魔幻般的日子里，从生活到心灵，父女二人逐渐了解了对方不为人知的秘密 。呸呸。琅琊阁金牌侍女水无瑕得江府聘请，负责辅佐大少爷江白玉学文习武，人仕为官。心高气做的水无瑕和纨绔的江白玉水火不容，二人彼此更存着不为人知的秘密。水无瑕在寻找失散的胞兄，面江白玉则在查证父亲的死因。命运让两个少年无可避免的走到一起。江白玉一改纨绔习气，水无暇也开始看清江白玉一颗赤诚坚强的心。