若a=-3,b=-2,则求1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+1/(a+3)(b+3)+...+1/(a+2006)(b+2006)的值sorry,sorry,后面那一流长式子加号应该全改成减号 ,过程谢谢

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若a=-3,b=-2,则求1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+1/(a+3)(b+3)+...+1/(a+2006)(b+2006)的值sorry,sorry,后面那一流长式子加号应该全改成减号 ,过程谢谢

若a=-3,b=-2,则求1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+1/(a+3)(b+3)+...+1/(a+2006)(b+2006)的值sorry,sorry,后面那一流长式子加号应该全改成减号 ,过程谢谢
若a=-3,b=-2,则求1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+1/(a+3)(b+3)+...+1/(a+2006)(b+2006)的值
sorry,sorry,后面那一流长式子加号应该全改成减号 ,过程谢谢

若a=-3,b=-2,则求1/ab+1/(a+1)(b+1)+1/(a+2)(b+2)+1/(a+3)(b+3)+...+1/(a+2006)(b+2006)的值sorry,sorry,后面那一流长式子加号应该全改成减号 ,过程谢谢
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