\( \frac{\displaystyle (2^4+\frac{1}{4})(4^4+\frac{1}{4})(6^4+\frac{1}{4})(8^4+\frac{1}{4})(10^4+\frac{1}{4})}{\displaystyle (1^4+\frac{1}{4})(3^4+\frac{1}{4})(5^4+\frac{1}{4})(7^4+\frac{1}{4})(9^4+\frac{1}{4})}= \)
答案221
請教各位大大了，
這題完全不知從何下手啊QQ...
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本帖最後由 bugmens 於 2014-7-9 12:31 AM 編輯 ]
