用卡诺图化简函数F(A,B,C,D)=A非*B非+BD+A非*BD+

40*15*30的缸用多大功率的过滤合适?是40*20*30 样草的鱼缸。 请问高手1米的草缸该如何配置,养七彩神仙鱼的我的缸1米长40宽60高,我用伊罕的2228外置过滤桶,其他的请高手配置,包括水草品种,是否使用沉木,越详细越好.其他配置也是越详细越好.谢谢包括 happiness comes from thinking about things in a positive How are you doing?all the fans from china..I truly wish you all the happiness in the world and I It ________ quite correct that happiness comes from thinking about things in a positive way.为什么填 has turned out 而不用被动 求翻译 Happiness comes from thinking about things _________ a positive way.A.at B.in C.on D.over 天喜玻璃杯与乐扣玻璃杯哪个好我想买一个玻璃杯喝水,不知天喜玻璃杯好还是乐扣的玻璃杯好? Jack __(ask) ____(answer) the question. 90 45 45的草缸,用一个依罕2217/600过滤桶够了吗? 九月份的电费是960元,比八月多160元,九月份的电费比八月份多了百分之几? May happiness never fade from your heart F浮=G排=p液Gv排的题F浮=G排=p液Gv排 的题 简单点的 特别基础的 填空 字少一点 各位 拜托啦~~ 硼酸与乙醇反应(请高手指教)H3BO3+3C2H5OH==(浓H2SO4,点燃)==B(OC2H5)3+3H2O用于:A硼酸定性分析 B乙醇定性分析 C制造焰火 D硼酸定量分析 E乙醇定量分析 要说原因的 罗密欧与朱丽叶用英文怎么拼写? 硼酸在适当条件下与足量乙醇反应生成的硼酸酯的结构简式 解释下怎么写的 Peace comes from within.Do not seek it without的中文意思 硼酸中加如乙醇为什么酸性会增强硼酸是一元路易斯酸,为什么其酸性在加入乙醇等物质后酸性会明显增强,最好写出方程式 Happiness from your heart will last forever Happiness from your heart will last forever 哪里能买到简易乳化剂 If it______(not snow)in Suzhou next year,we will stay here to spend the holiday.正确答案应该是doesn't snow 请告诉原因.为什么不能用won't snow Next winter,( )you will spend in harbin ,I'm sure,will be another exciting holiday.A.which B.when C.in which D.what 让人人摸不着头脑,没有人能说出其中的道理是什么意思 求发送陈奕迅《welcome to the future》这首歌的MP3 我邮箱是missyf@sina.com Mr.Smith lived in a village.翻译 同义句转换mr and mrs smith lived in the countyside in the pastmr and mrs smith - - -in the countyside 吉安市有多少人口? 吉安市有几所小学 Many Chinese students go abroad （to further thier study）every year.括号部分提问（）（）many Chinese students go abroad every year?为什么用why 不用what in china ____graduates go to abored go have a furher study every year.A.a great deal of B.the number of C.many a D.a great many 为什么选D、?最好每个选择都分析 go to china study abroad To prepare whatI was born in Europe,now in Dubai Arabia tower,want to go to China where the best luxury to go abroad,deposit 20.900.000 euro,please tell me where to go,stay in that hotel,and that the school,Chinese will be a I have a wish to go to China.to go to China 是做定语还是同位语还是补语?