三年级数学实践作业

54°43分36″*2 分数计算：54又3/8+36.3+43又7/10+46.625=? x的平方-x-6 79题怎么算啊,急,那个是q的平方. X平方—2=0怎么算? X平方-X-2=0怎么算 (X+1)的平方-9=0怎么算, 11×43+22×18+33×7= 奥数题库32*11=352那么32*22= 32*33= 32*55= 32*88= 把33.28°化成度分秒为, 108°20′42″= 比如 东经118.273北纬35.136精确到分秒求解.东经是118度16分22.8秒 北纬35度8分9.6秒 北纬25°48.942′,东经104°37.843′,转换成度分秒的格式, 30.6度怎么化成度分秒试子 38.22度化成度分秒38.22°=__°__′__″ 19.23°化成度分秒? 33.28°化成度、分、秒分别是? 把38.26度化成度分秒表示形式 10.26°化成度分秒 关于英语的...再写几个时间是简写例:P.M.是中午的简写 时分秒的缩写!如：12时12分12秒缩写成12:12'12"是否正确?谢谢. 化学元素周期表英文简写怎么背 (26 16:58:13)甲、乙两物体都做匀速直线运动,速度之比是4:3,所用路程之比是5:2,则时间之比为 2222×3334＋3333×4444（巧算） 2222十3333十4444十5555 2222*6666+4444*6667简便的算法 计算：2222×5555+4444×2223—9999×2222 首字母填空have__ friend what makes a great friend why is it sometimes d__ th make friends would you like to talk to a friend if you were w__ or sad?now,i will give you some tips about making friends don'tkeep things to y__.if you are sad about s 按首字母填空U ,I don't have enough money to travrl abroad. 初二英语首字母填空哟This because of f____other language is one of the key r____ way some of the difficulties that the people m____with while they are learning Enlish . 高手帮帮忙哇.能填粗来几个就肆几个哟Taiwan was s____ by 初二英语根据首字母填空求解!In north America,most students go to school o___ school buese.Some students also walk or r___ bikes to school .In other parts of the w___,things are d___.In japan ,most students t___ trains to school,although o 15 18 24的最小公倍数是多少? 10,15,18,24的最小公倍数是多少