【多选题】
A <{p}><{font _mstmutation="1" _msthash="20489" _msttexthash="19361563"}>总额的不变性<{/font}><{br/}><{/p}>
B <{p}><{font _mstmutation="1" _msthash="20490" _msttexthash="85626164"}>总额随业务量的变化而成正比例变动性<{/font}><{br/}><{/p}>
C <{p}><{font _mstmutation="1" _msthash="20491" _msttexthash="22933482"}>单位额的不变性<{/font}><{br/}><{/p}>
D <{p}><{font _mstmutation="1" _msthash="20492" _msttexthash="25269049"}>单位额的递减性<{/font}><{br/}><{/p}>
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