SAT Math求翻译和解析In the exact middle of a certain book, when the page numbers on the facing pages , x and x+1, are multiplied together , the product is 210. if all of the pages are numbered in order, How many numbered pages are in the book ?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 00:24:31
![SAT Math求翻译和解析In the exact middle of a certain book, when the page numbers on the facing pages , x and x+1, are multiplied together , the product is 210. if all of the pages are numbered in order, How many numbered pages are in the book ?](/uploads/image/z/11844146-2-6.jpg?t=SAT+Math%E6%B1%82%E7%BF%BB%E8%AF%91%E5%92%8C%E8%A7%A3%E6%9E%90In+the+exact+middle+of+a+certain+book%2C+when+the+page+numbers+on+the+facing+pages+%2C+x+and+x%2B1%2C+are+multiplied+together+%2C+the+product+is+210.+if+all+of+the+pages+are+numbered+in+order%2C+How+many+numbered+pages+are+in+the+book+%3F)
SAT Math求翻译和解析In the exact middle of a certain book, when the page numbers on the facing pages , x and x+1, are multiplied together , the product is 210. if all of the pages are numbered in order, How many numbered pages are in the book ?
SAT Math求翻译和解析
In the exact middle of a certain book, when the page numbers on the facing pages , x and x+1, are multiplied together , the product is 210. if all of the pages are numbered in order, How many numbered pages are in the book ? 答案是28,怎么算出来的?题目又是什么意思?
SAT Math求翻译和解析In the exact middle of a certain book, when the page numbers on the facing pages , x and x+1, are multiplied together , the product is 210. if all of the pages are numbered in order, How many numbered pages are in the book ?
两个连续的整数相乘等于210,这两个数只能是14和15,既然这两页是这本书的exact middle,那么这本书肯定就是28页了(左边1-14,共14页,右边15-28,也是14页).