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c•һHڄӹijУMֹСِuֽYֻ60708090100NFSCȡƷݔɿMƳƒɷĽyӋD

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1󱾴γȡ______ƷaȫƷlνyӋD
2ƷɿνyӋDУ60ռ______80ռ______
3֪ԓУյِƷ900ՈӋԓУWِɿ_80ϣ80֣Ʒжټ

⣺11210%=120ݣγȡ120Ʒ

280ֵķݔ=120-6-24-36-12=42ݣ
ռİٷֱ=42120=35%
60ֵƷռİٷֱ=6120=5%



390035%+30%+10%=90075%=675ݣ
ԓУWِɿ_80ϣ80֣Ʒ675ݣ
ʴ𰸞飺1205%35%
1YϗlνyӋDνyӋD100ֵķݔռİٷֱȿɵñγȡƷݔ
2քe80ֵķݔռİٷֱȺ60ռİٷֱaȫɷyӋD
3\ØӱӋwķ֪900Ʒɿ_80ϣ80֣Ʒ=90035%+30%+10%
cu}ǗlνyӋDνyӋDľC\xyӋDIJͬĽyӋDеõҪϢǽQ}PIlνyӋDرʾÿĿĔνyӋDֱӷӳռwİٷֱȴ
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ĿДW Դ

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ĿДW Դ

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ĿДW Դ27¡ơ}2727.2 Σ棩 }

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ĿДW Դ3¡Dεơ}243.3 ε|ж棩 }

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