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ܼھ򵥼βƵķ

ϣھƣ֭ˮ

ƣе2/3ھƺ1/3֭ˮ

ϣھƣڼؾƣ

ƣе3/4ھƺ1/4֭.

1816

ϣھƣե֭Ƿۣ

ƣе3/4ھƺ1/4ե֭һװǷۣȺ.

ɺ죺

ϣھƣ֭κͺں

ƣʿɱе1/4ھƺ3/4֭κͺں

ϣھƣǷ

ݣǷۣ2ھƽȣرɡ

ƻӾƣ

ϣھƣƻ֭֭1/4ƻ֭   1/4֭1/2 ھƣ

ȣӱ

ھƣˮƣ

ҡ1/4ھƺ3/4ˮҡȣ뱭Ӻһƺͼ

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