题目内容：

初一(1+1/2)(1+1/4)(1+1/16)(1+1/256)
(1-1/2)*(1+1/2)*(1+1/4)*(1+1/16))*(1+1/256)/(1-1/2)
=(1-1/256*1/256)/(1-1/2)
=2-2/256*256

优质解答

平方差公式.（1-1/2）（1+1/2）=1^2-(1/2)^2=1-1/4(1-1/4)(1+1/4)=1^2-(1/4)^2=1-1/16(1-1/16)(1+1/16)=1^2-(1/16)^2=1-1/256(1-1/256)(1+1/256)=1^2-(1/256)^2（1+1/2)(1+1/4)(1+1/16)(1+1/256)=(1-1/2)*(1+1/2)*(1...