已知a*b=1/ab+1/(a+1)(b+1) 求(1*2)+(3*4)+(5*6)+……+(99*100)=已知a*b=1/ab+1/(a+1)(b+1) 求(1*2)+(3*4)+(5*6)+……+(99*100)=

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已知a*b=1/ab+1/(a+1)(b+1) 求(1*2)+(3*4)+(5*6)+……+(99*100)=已知a*b=1/ab+1/(a+1)(b+1) 求(1*2)+(3*4)+(5*6)+……+(99*100)=

已知a*b=1/ab+1/(a+1)(b+1) 求(1*2)+(3*4)+(5*6)+……+(99*100)=已知a*b=1/ab+1/(a+1)(b+1) 求(1*2)+(3*4)+(5*6)+……+(99*100)=
已知a*b=1/ab+1/(a+1)(b+1) 求(1*2)+(3*4)+(5*6)+……+(99*100)=
已知a*b=1/ab+1/(a+1)(b+1) 求(1*2)+(3*4)+(5*6)+……+(99*100)=

已知a*b=1/ab+1/(a+1)(b+1) 求(1*2)+(3*4)+(5*6)+……+(99*100)=已知a*b=1/ab+1/(a+1)(b+1) 求(1*2)+(3*4)+(5*6)+……+(99*100)=