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12345*12348-12346*12346

来源：学生作业帮 编辑：神马作文网作业帮 分类：数学作业 时间：2024/09/21 19:28:25
12345*12348-12346*12346
12345*12348-12346*12346
12345*12348-12346*12346
=12345*12348-12346*(12345+1)
=12345*12348-12346*12345-12346*1
=12345*(12348-12346)-12346
=12345*2-12345-1
=12345-1
=12344
12345*12348-12346*12346 12346+12345 24690/12346-12345×12347 12345^2-12346^2 12348分之12345和12349分之12346 比大小 要过程 12345除以12345又12346分之12345 12345²12344×12346＝? 24690/12346^2-12345*13247) 12346²-12345*12347= 24690/12346²-12347*12345 12345²-12344*12346= 1993 / 12346×12346-12345×12347的简便运算