问题
解答题
计算:2007÷2007
|
答案
2007÷2007
+2007 2008 1 2009
=2007×
+2008 2007×2008+2007
.1 2009
=2007×
+2008 2007×(2008+1) 1 2009
=
+2008 2009 1 2009
=1.
计算:2007÷2007
|
2007÷2007
+2007 2008 1 2009
=2007×
+2008 2007×2008+2007
.1 2009
=2007×
+2008 2007×(2008+1) 1 2009
=
+2008 2009 1 2009
=1.