6/1×2+6/2×3+6/3×4+…+6/100×101+6/101×102=_.

问题描述:

6
1×2
+
6
2×3
+
6
3×4
+…+
6
100×101
+
6
101×102
=______.

61×2+62×3+63×4+…+6100×101+6101×102,=(61-62)+(62-63)+(63-64)+…+(6100-6101)+(6101-6102),=61-62+62-63+63-64+…+6100-6101+6101-6102,=61-6102,=596102,=51617故答案为:51617....