abomb
幼苗
共回答了20个问题采纳率:95% 举报
原式=(2+1)(2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)/(2-1)=(2^2-1)(2^2+1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)/(2-1)=(2^4-1)(2^4+1)(2^8+1)(2^16+1)(2^32+1)/(2-1)=(2^8-1)(2^8+1)(2^16+1)(2^32+1)/(2-1)=(2^16-1)(2^16+1)(2^32+1)/(2-1)=(2^32-1)(2^32+1)/(2-1)=(2^64-1)/(2-1)=2^64-1
1年前
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