a1,a2,.....an, 递减列, b1,b2,...,bn, 递增列 1/b1,1/b2,....,1/bn,递减列, 据强强配定理.
a1/b1+a2/b2+...+bn/an 最大---大配小.
a1,a2,.....an, 递减列, b1,b2,...,bn, 递增列 1/b1,1/b2,....,1/bn,递减列, 据强强配定理.
a1/b1+a2/b2+...+bn/an 最大---大配小.
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