12345的2次方-12344×12346=
1个回答
=12345平方-(12345+1)(12345-1)
=12345平方-12345平方+1
=1
相关问题
计算:[123454321/12345×12345−12346×12344]=______
12345²-12344×123456=
12345×6789-12346×6799巧算
12345*12348-12346*12346
12345^2-12346^2
若A=12344×98766,B=12345×98765,比较A和B的大小.
12346^2-12345*12347分之24690=?
A=12345×98765,B=12346×98764,那么A、B的大小关系是
12345/56789与12346/56790比较大小
12345x185-12346x184简便运算