2008+2007+2006+2007×97简便运算

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/28 02:22:39
2008+2007+2006+2007×97简便运算
x)320 :<'?6IED/D-X.mkE1XP ELX\I 젎s(s\)ƚ[^f= a>ʊ

2008+2007+2006+2007×97简便运算
2008+2007+2006+2007×97简便运算

2008+2007+2006+2007×97简便运算
2008+2007+2006+2007×97
=2007+1+2007+2007-1+2007×97
=2007*3+2007*97
=2007*(3+97)
=2007*100
=200700

2008+2007+2006+2007×97
=2007+1+2007+2007-1+2007×97
=3*2007+2007*97
=2007*(97+3)
=200700

2008+2007+2006+2007×97
=2007x3+2007x97
=2007x(97+3)
=200700