仲少帅
幼苗
共回答了21个问题采纳率:95.2% 举报
f(5/2)=f(5/2-2)=f(1/2)
f(3/2)=-f(-3/2)=-f(-3/2+2)=-f(1/2)
f(1)=-f(-1)=-f(-1+2)=-f(1),得f(1)=0
f(2)=-f(-2)=-f(-2+2)=-f(0)=-f(2),得f(2)=0
则f(1/2)+f(1)+f(3/2)+f(2)+f(5/2)
=f(1/2)+0-f(1/2)+0+f(1/2)
=f(1/2)
=2^(1/2-1)
=√2/2
1年前
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