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数学
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(2+1)(2²+1)(2的四次方+1)···(2的64次方+1)怎么算?
and tell me ,please
人气:255 ℃ 时间:2019-10-23 05:24:12
解答
简单思路:再给它乘上一个(2-1),因为(2-1)=1,所以,原式的值不变,但是却把原式完全化简啦:原式=(2-1)(2+1)(2²+1)(2的四次方+1)...(2的64次方+1)=(2²-1)(2²+1))(2的四次方+1)...(2的64次方+1)=(2的四...
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