{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"396e1bee-219e-4bee-9884-3214c17ff8f5","title":"人工智能时代：破解人机共存密码（套装共10册）","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787521719512","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"396e1bee-219e-4bee-9884-3214c17ff8f5","id":"396e1bee-219e-4bee-9884-3214c17ff8f5","uuid":"396e1bee-219e-4bee-9884-3214c17ff8f5","title":"人工智能时代：破解人机共存密码（套装共10册）","normalized_title":"人工智能时代破解人机共存密码套装共10册","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787521719512","isbns":["9787521719512","9787521709957","9787508685670","9787521713794","9787521703320","9787508698359","9787508673219","9787521713176","9787508668673"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":3314,"navigation_url":"https://workshop.closeclaw.top/ai/book/396e1bee-219e-4bee-9884-3214c17ff8f5","title_url":"https://workshop.closeclaw.top/ai/title/%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD%E6%97%B6%E4%BB%A3%EF%BC%9A%E7%A0%B4%E8%A7%A3%E4%BA%BA%E6%9C%BA%E5%85%B1%E5%AD%98%E5%AF%86%E7%A0%81%EF%BC%88%E5%A5%97%E8%A3%85%E5%85%B110%E5%86%8C%EF%BC%89","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/396e1bee-219e-4bee-9884-3214c17ff8f5/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/396e1bee-219e-4bee-9884-3214c17ff8f5/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/396e1bee-219e-4bee-9884-3214c17ff8f5","page_url":"https://workshop.closeclaw.top/api/ai/books/396e1bee-219e-4bee-9884-3214c17ff8f5/page","search_url":"https://workshop.closeclaw.top/api/ai/books/396e1bee-219e-4bee-9884-3214c17ff8f5/search"},"page":{"printed_page":"=5","pdf_page":1124,"physical_index":1124,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"f40562855b1ea8e94bcd65a25b03dd0728c9cab410a65b9d423c1952a5fea360"},"chapter":"第8章符号与符号处理","content":"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\n= +6或汤米的年龄是苏济的年龄加6\n\n$$\nx - 2 = 3 ( y - 2 ) 3 \\div 3 \\times 3 9 \\div 6 \\times 4 9 + 5 \\times 2 = 3 6 ( x - 2 ) 3 + 6 \\times 4 9 + 5 \\times 2 = 1 9 9 3 ( d m ^ { 2 } )\n$$\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\n2.简化左式和右式：\n\n$$\nx - 2 - x \\Rightarrow x - x - 2 \\Rightarrow \\left( x - x \\right) - 2 \\Rightarrow 0 - 2 \\Rightarrow - 2\n$$\n\n3（<sub>y</sub>–2）–（<sub>y</sub>+6）⇒3<sub>y</sub>–6–<sub>y</sub>–6⇒（3<sub>y</sub>–<sub>y</sub>）–6–6⇒2<sub>y</sub>–12\n\n3. 在化简后的左式和右式之间画等号，并移项：\n\n$$\n2 y - 1 2 = - 2\n$$\n\n现在，我们已经将两个二元一次方程化简为一个一元一次方程，接下来的步骤与之前一样：\n\n4.等号左右两边同时加12，然后除以2，经过简化，可以得到：\n\n=5","previous_page":1123,"next_page":1125}