教我如何泼彩山水画:计算:2002×20032003-2003×20022002

来源:百度文库 编辑:高考问答 时间:2024/05/03 10:09:10

=2002*(20022002+10001)-(2002+1)*20022002
=2002*20022002+2002*10001-2002*20022002-20022002
=2002*10001-20022002
=0

吆妹,设x=2002,则:
原式=20032003x-20022002x-20022002
=10001x-20022002
=20022002*10001-20022002
=0

2002*20032003-2003*20022002
=2002*2003*10001-2003*2002*10001
=2002*2003*(10001-10001)
=2002*2003*0
=0

=2002*(20032003-2003*10001)=2002*[2003*(10001-10001)]=0

MM,等于0