2002*200320032003-2003*200220022002

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/02 13:47:55
2002*200320032003-2003*200220022002

2002*200320032003-2003*200220022002
2002*200320032003-2003*200220022002

2002*200320032003-2003*200220022002
2002*200320032003-2003*200220022002
=2002*(200220022002+100010001)-2003*200220022002
=2002*200220022002+2002*100010001-2003*200220022002
=200220022002*(2002-2003)+2002*100010001
=-200220022002+2002*100010001
=-2002*100010001+2002*100010001
=0