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如果4x^ny^4与m^2x^2y^|m-n|都是关于x,y的6次单项式,且它们的系数相等,求M,n的值急 描写秋天景色的成语有什么? 已知4x^ny^4与m^2x^2y^|m-n|都是关于x、y的六次单项式,且它们的系数相等,求m、n的值 描写秋天景色 成语0000000000 有哪些描写秋天景色的成语 (m-1)xy^n-1是关于x,y的四次单项式,则m,n的值分别为（） A.m为任意数,n=4 B.(m-1)xy^n-1是关于x,y的四次单项式,则m,n的值分别为（）A.m为任意数,n=4 B.m=0,n=3 C.m≠-1,n=4 D.m≠1,n=4（最好有解题方法和步骤 帮我解一下这一题：如果xy的m次方是关于x、y的四次单项式,那么m的值是多少?最好有解题思路 若单项式x^m+3 y^2与xy^n-1是同一个单项式,求m,n的值 形容秋天景色的成语 说明理由1.Could you tell me ___________________?A.when did he leave B.where you have goneC.how did she travelling there C.who has broken the vase 有怎么成语形容秋天的景色的 1道英语选择题 说明理由 谢谢1.five years passed _____he eventually found his missing son in the remote fishing village.A.after B.when C.since D.before 秋天景色的成语 一道英语选择题,请详细说明理由You should be always tell the truth.If you_________________,you will be in serious trouble.A.will notB.will not be backC.would be backD.am back 描写景色的成语和意思 一道英语选择题,说明理由.The gril is _______of a film star.A.somebodyB.somethingC.anybodyD.anyone 形容秋天景色优美的成语~ 约分：（x²-4）/（xy+2y） 一个英语选择题并说明理由You will pass the exam_____you study with a strong will.A.unless B.until C.as long as D.as well as请说明答案和理由,并翻译原句, 有没有带似的四字成语? 带 砍 字的有哪些四字成语 英语选择题第22题选哪一个,要理由!理由! 一道英语选择题,说说理由Since it was impossible---a samll gun from a distance,the muder was probably in the room---the time of the murderA.to aim ,inB.aiming,atC.to aim,atD.aim,on这里的aim是什麽意思 英语选择题一道,要讲理由You have to fully realize that ------ a long journey ahead of you.A.it is B.there is C.they are D.there are My brother isn't ____ me.But he is smarter than me.A.more outgoingB.as outgoing thanC.as more outgoing asD.as outgoing as 一道说理由If I hadn't been lucky enough to meet you,I reaily____what I would have done.A.don't know B.hadn't know C.wasn't knowing D.wouldn't know 如果x+y=-3,xy=-2求x^3y^2+x^2y^3的值 x^3y+x^2y^2-xy^3-y^4 如果x+y=-3 xy-2 求x^3y^2+x^2y^3的值如题 人教版初中语文四字成语的拼音只要是人教版语文四字成语的拼音,不管有没有全部年级的,都可以. 初中生必掌握的150个成语快 英语选择题应选什么,理由是什么?There's going to be___tommorrow.A. raining B.rain C.rains D.rainy我选的同各位一样，但答案是选B，如果B在这里作名词讲也讲不通是吗？