2010月份建筑结构第三次作业

关于材料采购及保管费的问题某袋装水泥原价为350元/吨,供销部门手续费费率为4%,运杂费I8元/t,二次运输费5元/t,运输损耗率为1%,采购保管费率为2%,则每吨水泥采购保管费为多少元?我希望回答 某种材料价格为145元/吨,不需要包装,运输费为37.28元/吨,运输损耗为14.87元/吨,采购及保管费率为2.5%能给我详细的计算规则,谢谢计算该材料预算价格为多少钱/吨 某企业预计年需要某种材料2400公斤,每次采购费36元,该材料的价格为10元/公斤,年度保管费率为0.3则该材料的经济采购批量为（ ）公斤,计算公式 (2/2)费为62.5元,全年保管费为1.5x元. 将该商店经销一年的利润y（元）表示为每次进货量x的函数 ...(2/2)费为62.5元,全年保管费为1.5x元.将该商店经销一年的利润y（元）表示为每次进货量x的函数 once in a blue moon 为什么 解释为 机会难得,绝无仅有? vb replace是什么意思 it kept the americas from being discovered.from后面应该是动名词,?只有be加了ing,而discover不加ing I am sure ( )people know the truth because.I have kept it a secret from everyoneA few Blittle 为什么选A我觉得people不可数 4.The number of people who_____ killed in the Air France crash(坠毁)_______ 228.4.The number of people who_____ killed in the Air France crash(坠毁)_______ 228.A.was; was B.were; was C.were; were D.was; were not worth one's 希望大家能给些例句 worth one\'s 高中定语从句I know that he is a man that means what he says这里THAT是什么作用呢?我觉得没有THAT也句子啊 不明 300千克黄能榨出108千克豆油,求黄豆的出油率? 1.Lily gets on well with her classmates改为同义句 Lily ( ) ( )( )( ) her classmates2.little yiyi's parents （died） in the bullet train accident.对括号部分提问( )( )( ) ( )little yiyiy's parents 请举几个与赤壁之战有关的故事 hit the Mary refused to _______(receive/accept) the offer to work here He is o______ and gets along well with his workmates. swap和exchange有什么区别? accept the offer 确认信模板（大学）收到了大学的录取通知书 ,确认信模板 —Look Tom gets on well with Lucy again.—Yes,he __the offer of her coffee.A.received B.accepts C.helps D.takes accept an offer如果是指大学给的,应该怎么翻译 l won't accept their offer ,____ favorable the conditionsA.how B.howeverC.no matter D .no matterh however求翻译句子和答案的意思 然后选哪个 i have come about your offer for your “dragon” brand microwave ovens instruction是什么意思及用法 instruction library是什么意思 instruction manual是什么意思 instruction fetch是什么意思 what colour is that dog?为什么是that而不是this instruction可不可以加s instruction可数吗 instruction (用法说明)可数吗?如题.