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如图,在平行四边形ABCD中,AE⊥BC于E,AF⊥CD于F,∠EAF=45°,...
如图,在平行四边形ABCD中,AE⊥BC于E,AF⊥CD于F,∠EAF=45°,且AE+AF=
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,则平行四边形ABCD的周长是
.
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