设fx=4^x/4^x+2,那么和式:f(1/11)+f(2/11)+f(3/11)+……+f(10/11)=

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设fx=4^x/4^x+2,那么和式:f(1/11)+f(2/11)+f(3/11)+……+f(10/11)=
设fx=4^x/4^x+2,那么和式:f(1/11)+f(2/11)+f(3/11)+……+f(10/11)=

设fx=4^x/4^x+2,那么和式:f(1/11)+f(2/11)+f(3/11)+……+f(10/11)=

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