24690/12346^2-12345*13247)

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：数学作业时间：2024/06/25 11:40:27

24690/(12346^2-12345*13247) =24690/(12346-(12346-1)(12346+1) =24690/1 =24690

24690/12346^2-12345*13247) 12346^2-12345*12347分之24690=? 24690/12346-12345×12347 24690/12346²-12347*12345 12345^2-12346^2 12345*12348-12346*12346 12346+12345 12345的2次方-12344×12346= 12345除以12345又12346分之12345 12345²12344×12346＝? 12346²-12345*12347= 12345²-12344*12346=