20172017x20172017-20162016x20162016=?

2025-04-03 00:07:02
推荐回答(3个)
回答1:

解答如下:

回答2:

20172017x20172017-20162016x20162016
=(20172017+20162016)X(20172017-20162016)
=40334033X10001
=403380664033

回答3:

设2016=a,则
原式=[10001(a+1)]^2-[10001a]^2
=10001^2*[(a+1)^2-a^2]
=100020001(2a+1)
=100020001*4033
=400338006640033.