40厘米双头龙入腹图解

英语翻译Chile learned its lessons the hard way,making engineering the biggest factor of all that sets Chile and Haiti apart.最好把细节说一下谢啦! 留恋母校 英语翻译The prospect of meatball surgery a few miles from battlefield is a far cry from the new reality. 若x+y=-1,xy=5,则xx+yy= 已知(x+y)(x+y)=25,(x-y)(x-y)=9求xy与xx+yy的值 最好用因式分解的方法~ 这道因式分解用了什么方法谢谢来答 留恋小学母校500字要具体事例 若x-y=4,求(xx+yy)÷2-xy的值 x-y=3,(x+y)(x+y)=25,求xy/xx+yy的值? 雅思词汇和托福词汇差别大么? 一台复读机原价300元,先提价10%,再降价10%,现在售价多少元? 一种复读机现在的计价比原来降价15%,原价210元,现价多少元 1.Li Ming's birthday is _ April 11.2.When were y1.Li Ming's birthday is _ April 11.2.When were you born?—I was born__.3.__is Sam's birthday?4.September is the _month of a year.5.The boy is only_.Today is his _birthday.6._is the fourth month of a ye When is Li Siguang's birthday?I am very busy! .Li Ming’s birthday is ___ April 11. he is going to zoo.还是he is going zoo?请说明原因可是be going to 碰到shopping不是可以省略to的吗？ I'm going to the zoo this morming. ().i'mgoing on foot. 根据答句,写问句!He is going there on foot. 空集是任何非空子集的真子集这句话什么意思? 一种书售价60元,连续两次降价10%后,现在售价是（）元 非空子集和非空真子集的区别? 什么叫作非空真子集,非空子集. I'm going to the post office是什么意思 女孩子说你说话酸是什么意思?我现在有点困惑,不知道是什么意思,我喜欢的女孩子说我说话酸,这是什么意思啊,是说你不好的吗? I'm going to the post office___you're there ,can you get me some stamps?aswhile becauseif 英语18.-I’m going to the post office.18.-I’m going to the post office.-_______ you’re there,can you get me some stamps?a.As b.While c.Because d.If为什么 I’m going to the post office.While you are there,please buy me some stamps. harry and i are going tu eat steak怎样变成问句 一种洗衣机,现价980元,比原价降低了2%,原价多少元? What are you going to do?给问句选答语 冰箱原价2400元,现价1800元,洗衣机的价格降低了百分之几?要给算式.