2O05×2oo62○O6一2Oo6×2OOO52005,的简便方法是什么?⼀

2025-06-23 02:59:33
推荐回答(1个)
回答1:

2005x20062006-2006x20052005
=2005x2006x10001-2006x2005x10001
=2005x2006x(10001-10001)
=2005x2006x0
=0