延颈鼓翼下一句

已知方程(3x-6)/4+1=(a+2)/2的根是整数,那么a、b应满足什么关系? 已知a,b均为整数且a>b关于x的方程3x^2+3(a+b)x+4ab=0的两个根α、β满足关系式α（α+1）+β（β+1）=(α+已知a、b为整数,且a大于b,方程3x^2+3(a+b)x+4ab=0的两个根α、β满足关系式α（α+1）+β（β+1）=（α+1 已知a,b为整数,a>b,方程3x^2+3(a+b)x+4ab=0的两根m.n满足m(m+1)+n(n+1)=(m+1)(n+1).试求所有的整数对(a,b) 英语,选择不同类单词warm sunny snowy windy went took washed did 选出不同类的词. 选择同类的词语,小学英语 英语选择合适单词 英语翻译英文不太好所以没看懂,第1篇.Earth's Inner Core Speedier Than Outer ShellEarth's inner core is a solid iron ball slightly smaller than the moon.Little is known about it,but geophysicists confirmed this year that it spins--faster 英语翻译一All over the world people enjoy sports.Sports help to keep people healthy and happy,and to live longer.Sports change with the seasons.People play different games in winter and summer.Swimming is fun in warm weather,but skating is good 请帮我翻译2篇英语短文 哪个高手能帮我回答下下面的英语问题吗?改写下列的句子,用must 或 have to 来替代黑体印出的部分. It is necessary for you to work hard You must (or have to )work hard. 1 it will be necessary for you to see a doctor 2 哪位高手能帮我回答下下面的英语问题?翻译下这个句子 barking dogs seldom bite 除了这种书写形式外：我们可缩略形式 I am sorry I'm sorry We have sold out we've sold out 将下列用黑体印出的动词改变形式 英语六级证书什么时候 可以拿到（去年12月考的） 求人教版新目标初中英语(听力)练习的不是课本的mp3. 求人教版新目标初中英语 MP3 人教版新目标初中英语mp3+lrc由于同事家小孩刚上初中,英语水平有点菜,要找英语单词的mp3+lrc.现在只能在这里请各位帮帮忙.我要免费的。 英文单词选择,应该选择那个比较合理Everybody is poping ____1、up 2、on 3、off 应该是哪个?整个句子什么意思?还是这几个都不对?还有其它更好的选择吗? 英语 选择合适的单词How do you go (there their)? 英语选择正确的单词 英语翻译这本书的故事引起了我的共鸣 如何翻译希望试试能不能用echo和resonance造句可以用arise resonance吗？ 赞美雪景的诗 英语翻译 我想知道中国人民解放军空军航空大学的英文翻译,如果哪位知道, 求一个英语PPT,题材不限,十张幻灯片左右即可,越快越好,急需有没有朋友有这类的PPT请发给我，谢谢了啊，邮箱是mozupiaoyu@163.com although he has taken a lot of medicine ,his health ---poor.A staysB remainsC provesDcontinues 我不知道他们几个的区别,he has alwalys insisted on his ---Dr.zhu instead of Mr.liu.Abeen called B called C having called D being called答案是D 设函数f(x)=(1/3)x^3-(1-a)x^2+4ax+24a,(a>1),讨论f(x)的单调性（2）当x≥0时,f(x)＞0恒成立,求a的取值范围. 英语翻译RT了...哪位英语达人帮我翻译下.这是军歌歌词向前向前向前!我们的队伍向太阳脚踏着祖国的大地背负着民族的希望我们是一支不可战胜的力量我们是工农的子弟我们是人民的武装从 梦想进行曲 （英文翻译） 中国人民解放军进行曲歌词后果各个国家 若-3a是正数,那么不等式x/3>ax/2-2/2的解集是 1._D_ ,he was unable to make much progressA.As he tried hard B.As hard as he tried C.So hard as he tried D.Hard as he tried2.Mary got down to work quickly,__C__ up to work as hard as he couldA.her mind being made B.with her mind making C.with her min