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甲乙两数的最大公因数是8最小公倍数是560已知其中乙数是80求甲 哪位家里小孩在用洪恩点即说GOGO学英语发声套装? A1,B1里2个必须要都数据,C1\D1只能其中有一个数字,在E1显示“OK”否则“NO”公式? he goes to school from monday to friday是什么职业 急!11 甲数是1.5,乙数比甲数少百分之80,乙数是多少? 化学计算题.请说明计算过程.及理由,在一密容器内放入一定量的木炭及氧气,在一定条件下恰好完全反应,生成13克气体.把这些气体缓缓通入过量的澄清石灰水,过滤,把过滤得到的固体干燥,称 whattimeisit?it`s______ eight o` clock下面有四个选项 .A．a B .o n C.in D.around It's eight o'clock.怎样提问? （ It’s eight o’clockA:What’s the time B:when is the time C:When’s your birthday D:How much is the clock 在三角形ABC中,AB=AC,AE=1/3AB,以AB为直径作圆交BC于D点,连接AD交CE于点F,求证AF=FD 只要你答对再给你50 在三角形ABC中,角A=60度,以BC为直径的圆O分别交AB,AC于D,E.（1）若AB=AC,求证：三角形DOE是等边三角形（2）图二所示,AB≠AC,则1结论是否成立,证明 How long does it take you to do your homework every day?改为同义句 字数不够了,How long do you ____ ____ your homework every day? Kate goes to school from Monday to Friday from Monday to idayfrom Monday to Firday 画线``就画线部分提问怎么提?〉 How long does it take you to do your homework every day 通顺的 How long does it take you____your homework every evening?A.don't need to finish B.need to finish C.needn't to finish D.need finishing How long does it ____ you to do your homework every evening?划横线的地方为什么 take 说出理由 在三角形ABC中,AB=AC=2,角A=90°,O为BC中点,动点E在BA边上自由移动1,移动过程中三角形OEF是否能成为角EOF=45°的等腰三角形?能,请证明,不能说明理由,2,角EOF=45°时,设BE=y,CF=x,求之间的函数解析式,写 在三角形ABC中,AB=AC=2,角A=90°,O为BC中点,懂点E在BA边上自由移动,动点F在AC边上自由移动（1）点E,F的移动过程中,三角形OEF是否能成为角EOF=45°的等腰三角形?若能,请指出三角形OEF为等腰三角形时 在三角形ABC中 AB=AC=2 角A=90度 O为BC的中点,动点E在AB上自由移动,动点F在AC边上自由移动1 点EF移动的过程中,三角形OEF能否成为角EOF=45度的等腰三角形 若能请指出三角形OEF为等要三角时动点EF的 My brother goes to school from Monday to Friday.改为一般疑问句并肯定回答 （英语）改成一般疑问句：I go to school from Monday to Friday. Peter goes to school from Monday to Friday.改为一般疑问句 Put a battery in the clock.改为否定句 My father said,"How long do you spend on your homework every day?"用ask改成间接引语 什么是垄断竞争?垄断竞争市场与完全竞争市场的关系是什么? 爱情公寓3第7集胡一菲说曾小贤的是弯的 什么意思 from,goes,to,Tom Friday,Monday,to,school(.)连词成句 在《爱情公寓3》中,胡一菲对她的妈妈说曾小贤是弯的,是说那个方面吗. we want to go to the zoo this afternoon 改为同义句 爱情公寓3中,胡一菲说曾小贤是弯的, go zoo letis sunday to this the (.)连词成句 爱情公寓中胡一菲为什么说曾小贤是弯的? 已知函数f(x)导数f'(x)=x^2-x 函数f(x)取极大值 x= 急