题库搜索>问题求解PS-14200
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*?
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K>1 1<t<=k
5*/4*
K*等于所有1/t的形式的乘积，并且t和k要满足上面的条件
K=5 k*=1/5*1/4*1/3*1/2=1/120
K=4 K*=1/4*1/3*1/2=1/24
5*/4*=1/5
借我借我一双慧眼吧
这题千万要注意那个inclusive t是小于等于k的 denotes 是表示的意思
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2015-12-09 14:24:50
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