问题
解答题
2010×2012×(
|
答案
2010×2012×(
+1 2010×2011
),1 2011×2012
=2010×2012×(
-1 2010
+1 2011
-1 2011
),1 2012
=2010×2012×(
-1 2010
),1 2012
=2010×2012×
-2010×2012×1 2010
,1 2012
=2012-2010,
=2.
2010×2012×(
|
2010×2012×(
+1 2010×2011
),1 2011×2012
=2010×2012×(
-1 2010
+1 2011
-1 2011
),1 2012
=2010×2012×(
-1 2010
),1 2012
=2010×2012×
-2010×2012×1 2010
,1 2012
=2012-2010,
=2.