(1+1/2)(1+1/2²)(1+1/2的4次方)(1+1/2的8次方)+1/2的15次方
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(1+1/2)(1+1/2²)(1+1/2的4次方)(1+1/2的8次方)+1/铅辩岁2的15次方
=(1-1/2)(1+1/2)(1+1/2²)(1+1/2的4次方)(1+1/2的8次方)x2+1/2的15次方
=(1-1/2²)(1+1/2²)(1+1/2的4次方)(1+1/2的8次方)x2+1/槐睁2的15次方
=(1-1/2的4次方)(1+1/2的4次方)(1+1/2的8次方)x2+1/2的15次方
=(1-1/2的8次方)(1+1/2的8次方)x2+1/2的15次方灶冲
=(1+1/2的16次方)x2+1/2的15次方
=2-1/2的15次方+1/2的15次方
=2
=(1-1/2)(1+1/2)(1+1/2²)(1+1/2的4次方)(1+1/2的8次方)x2+1/2的15次方
=(1-1/2²)(1+1/2²)(1+1/2的4次方)(1+1/2的8次方)x2+1/槐睁2的15次方
=(1-1/2的4次方)(1+1/2的4次方)(1+1/2的8次方)x2+1/2的15次方
=(1-1/2的8次方)(1+1/2的8次方)x2+1/2的15次方灶冲
=(1+1/2的16次方)x2+1/2的15次方
=2-1/2的15次方+1/2的15次方
=2
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