问题描述:
关于数学巧算
(1)(3+1)(3^2+1)(3^4+1)(3^5+1)...(3^2n+1)
(2) (1+1/2)(1+1/2^2)(1+1/2^4)(1+1/2^8)+1/2^15
(1)(3+1)(3^2+1)(3^4+1)(3^5+1)...(3^2n+1)
(2) (1+1/2)(1+1/2^2)(1+1/2^4)(1+1/2^8)+1/2^15
问题解答:
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