亚洲男人天堂av,国产一区二区久久精品,国产精品一区二区久久精品,国产精品久久久久久一区二区三区,五月婷婷在线观看视频,亚洲狠狠色丁香婷婷综合

歡迎您訪問數學考題練習:已知三個連續的奇數和為2013,則其中最大的一!

數學考題練習:已知三個連續的奇數和為2013,則其中最大的一

更新時間:2024-01-12 12:55:19作者:貝語網校

已知三個連續的奇數和為2013,則其中最大的一個奇數是________.

試題答案

673

試題解析

設中間的奇數為n,每個相鄰奇數相差2,n前面的奇數是n-2,后面的奇數是n+2,三個奇數相加為n-2+n+n+2=2013,根據題意可列方程求解.

解答:設中間的奇數為n,n前面的奇數是n-2,后面的奇數是n+2

∴n-2+n+n+2=2013,

解得:n=673,

故答案為:673.

點評:此題考查了一元一次方程的應用以及數字問題,關鍵設出中間的奇數且知道相鄰奇數相差為2.

主站蜘蛛池模板: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |