12345^5-12344*12346-1急啊,怎么用公式算12345^5-12344*12346-1=

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12345^5-12344*12346-1急啊,怎么用公式算12345^5-12344*12346-1=
12345^5-12344*12346-1急啊,怎么用公式算
12345^5-12344*12346-1=

12345^5-12344*12346-1急啊,怎么用公式算12345^5-12344*12346-1=
显然错了,应该是12345^2
原式=12345^2-(12345-1)*(12345+1)-1
=12345^2-(12345^2-1)-1
=12345^2-12345^2+1-1
=0

12345²12344×12346＝?12345²-12344×12346＝? 12345²-12344*12346= 12345^5-12344*12346-1急啊,怎么用公式算12345^5-12344*12346-1= 123454321/12345*12345-12346*12344= 12345*12345-12344*12346的简便计算 不是123154321除以12345*12345-12346*12344是123454321除以12345*12345-12346*12344 12345*12346-12344*12343 求简便运算 12345*12346-12344*12343简便运算 12345的平方-12344×12346-1 12345二次方-12344乘12346 12345的2次方-12344×12346= 问123454321÷（12345×12345-12346×12344)=? 比较12345分之12344和12346分之12345的大小 12345的平方减12344乘以12346等于多少 12345的平方-12344×12346~利用乘法公式计算 12345*12348-12346*12346 12346+12345 987654321×12345-987654322×12344