{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"72c4da97-7cf2-441a-a985-c1252297d6a3","title":"人工智能的进化 计算机思维离人类心智还有多远","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787508685670","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"72c4da97-7cf2-441a-a985-c1252297d6a3","id":"72c4da97-7cf2-441a-a985-c1252297d6a3","uuid":"72c4da97-7cf2-441a-a985-c1252297d6a3","title":"人工智能的进化 计算机思维离人类心智还有多远","normalized_title":"人工智能的进化计算机思维离人类心智还有多远","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787508685670","isbns":["9787508685670"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":216,"navigation_url":"https://workshop.closeclaw.top/ai/book/72c4da97-7cf2-441a-a985-c1252297d6a3","title_url":"https://workshop.closeclaw.top/ai/title/%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD%E7%9A%84%E8%BF%9B%E5%8C%96%20%E8%AE%A1%E7%AE%97%E6%9C%BA%E6%80%9D%E7%BB%B4%E7%A6%BB%E4%BA%BA%E7%B1%BB%E5%BF%83%E6%99%BA%E8%BF%98%E6%9C%89%E5%A4%9A%E8%BF%9C","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/72c4da97-7cf2-441a-a985-c1252297d6a3/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/72c4da97-7cf2-441a-a985-c1252297d6a3/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/72c4da97-7cf2-441a-a985-c1252297d6a3","page_url":"https://workshop.closeclaw.top/api/ai/books/72c4da97-7cf2-441a-a985-c1252297d6a3/page","search_url":"https://workshop.closeclaw.top/api/ai/books/72c4da97-7cf2-441a-a985-c1252297d6a3/search"},"page":{"printed_page":123,"pdf_page":134,"physical_index":134,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"64ce7a1b93dc18b67ad8f736dbcf900aa42d58d014519c616442b68fcea54b40"},"chapter":"第五章","content":"1. 在等式的左右两边同时加2:\n\n$$\nx - 2 + 2 = 7 + 2\n$$\n\n2. 简化左式：\n\n$$\nx - 2 + 2 \\Rightarrow x + ( - 2 + 2 ) \\Rightarrow x + 0 \\Rightarrow x\n$$\n\n3. 简化右式：\n\n$$\n7 + 2 \\Rightarrow 9\n$$\n\n4.在简化后的左式和右式之间画等号：\n\n$$\nx = 9\n$$\n\n这样便求出约翰尼的年龄是9岁。\n\n对于第二个问题，求解的过程是类似的。我们将汤米的年龄设为x，将苏济的年龄设为y，最终目的是求解y的值。根据题目里的两个已知条件，我们能够得到以下两个方程：\n\nx =y + 6或汤米的年龄是苏济的年龄加6\n\n$x - 2 = 3 ~ ( \\ y - 2 )$ 或汤米的年龄减2是苏济的年龄减2的 3倍\n\n求解过程如下：\n\n1. 用第二个方程的左右两边分别减去第一个方程的左右两边：\n\n$$\nx - 2 - x = 3 ( y - 2 ) - ( y + 6 )\n$$\n\n第日章符号与符号处理\n\n123","previous_page":122,"next_page":124}