a,band c are two-digit numbers. Then unit digit of a is 7, the unit digit of b is 5 and the tens digit of c is 1. If a*b+c=2006, find the value of a+b+c 請翻譯 寫過程並解答
九章數學出版社、九章數學基金會版權所有 本網頁各鍊結標題及鍊結內容歸原權利人所有 Copyright 2000 ~2004九章數學出版社、九章數學基金會 本網站內所有文字及資料版權均屬九章所有,未經書面同意之商業用途必究 This web site was made with XOOPS, a web portal system written in PHP. XOOPS is a free software released under the GNU/GPL license.