<{p}><{font _mstmutation="1" _msthash="20488" _msttexthash="128334609"}>下列项目中，属于混合成本类型的有（）。<{/font}><{br/}><{/p}>

【多选题】
A <{p}><{font _mstmutation="1" _msthash="20489" _msttexthash="24249303"}>阶梯式混合成本<{/font}><{br/}><{/p}>
B <{p}><{font _mstmutation="1" _msthash="20490" _msttexthash="23453391"}>递增型混合成本<{/font}><{br/}><{/p}>
C <{p}><{font _mstmutation="1" _msthash="20491" _msttexthash="23272119"}>递减型混合成本<{/font}><{br/}><{/p}>
D <{p}><{font _mstmutation="1" _msthash="20492" _msttexthash="22563450"}>标准式混合成本<{/font}><{br/}><{/p}>
E <{p}><{font _mstmutation="1" _msthash="20493" _msttexthash="22136751"}>低坡式混合成本<{/font}><{br/}><{/p}>

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