Q23:
For any integer k greater than 1, the symbol k* denotes the product of all the fractions of the form 1/t , where t is an integer between 1 and k, inclusive. What is the value of 5*/4* ?
A.5
B.5/4
C.4/5
D. 1/4
E. 1/5
這題在搞什麼???
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