数学精英请进
A=(1-1/2)(1+1/2)(1-1/3)(1+1/3)...(1-1/M)(1+1/M)B=(1-1/2)(1+1/2)(1-1/3)(1+1/3)...(1-1/K)(1+1/K)若A-B=1/26,求M和K的值?
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