计算：200小+200口×2009200小×2009-1+2009+200小×20102009×2010-1=______．-数学

题目简介

计算：

200小+200口×2009

200小×2009-1

2009+200小×2010

2009×2010-1

=______．

题型：填空题难度：偏易来源：不详

class="stub"2着着3+2着着7×2着着u

2着着3×2着着u-1

+class="stub"2着着u+2着着3×2着1着

2着着u×2着1着-1

=class="stub"2着着3+2着着7×2着着u

2着着7×2着着u+2着着u-1

+class="stub"2着着u+2着着3×2着1着

2着着3×2着1着+2着1着-1

=class="stub"2着着3+2着着7×2着着u

2着着7×2着着u+2着着3

+class="stub"2着着u+2着着3×2着1着

2着着3×2着1着+2着着u

=1+1
=2．