下列方程中，有实数解的方程是[]A.B.C.D.-九年级数学

更多内容推荐

• 设2x-3y=14，x，y都是正整数，则方程有______组正整数解．-数学
• ________I want to tell you is the deep love and respect I have for my parents.(2013·天津，15)A．That B．W
• is surprising to us is that Tom can speak English fluently as though he were a native speaker.A．What
• is known to us all is that the old worker, life was hard in the past, still works hard in his sevent
• _______caused the accident is still a complete mystery. A．WhatB．ThatC．HowD．Where-高二英语
• is hard is to do good all one’s life and never do anything bad.A．ThatB．WhatC．AllD．Which-高三英语
• ____we will be admitted to an ideal university partly depends on our learning attitudes.A．ThatB．What
• 整数x，y满足方程2xy+x+y=83，则x+y=______或______．-数学
• ________makes the book so extraordinary is the creative imagination of the writer.(2013·北京，31)A．That
• 计算-九年级数学
• 小明用计算器估计三次方程的解(精确到个位)，小明已完成了其中一部分，请你帮他完成余下的部分.x-101239x3-7x-36=0-3822186所以，x的整数部分是（）.进一步列表计算：x1.51.-
• ______ is known to us is that tobacco contains nicotine and other harmful products, so you should gi
• Jim told us all that _______ he said so at the meeting was right.A．allB．whatC．all thatD．that-高三英语
• thecity’spublicschoolsystemshouldbeopentothechildrenofmigrantworkershas become the focus of discussi
• 方程xyz=2009的所有整数解有______组．-数学
• Before a problem can be solved，it must be obvious____the problem itself is.A．whatB．thatC．whichD．why-
• It makes no difference to him______ you stay here or go to Hong Kong.A．howB．whetherC．whatD．why-高三英语
• It remains doubtful ______ immediate measures could be taken to prevent underground water pollution.
• ________ you said at the meeting describes a bright future for the company.(2013·四川，6)A．WhenB．HowC．W
• 解方程组：-九年级数学
• 求满足的所有素数p和正整数m。-九年级数学
• 设(2x+1)3=a0x3+a1x2+a2x+a3，这是关于x的一个恒等式（即对于任意x都成立）。则a1+a3的值是（）。-九年级数学
• 要使等式12=1x+1y成立的自然数（x，y）是______．-数学
• _______we are worried about is that air pollution is becoming much heavier in Han Dan.A．ItB．WhatC．Wh
• The limits of a person’s intelligence, generally speaking ,are fixed at birth, but he reaches these
• It was never clear _______ the man hadn’t reported the accident sooner.A．thatB．howC．whenD．why-高三英语
• _______ is known to us all is that the theme of Shanghai World Expo is “Better City, Better Life”.A．
• 二元方程1x+1y=15的正整数解的个数是（）A．1个B．2个C．3个D．4个-数学
• 方程2x2-xy-3x+y+2006=0的正整数解（x，y）共有______对．-数学
• __________knowledge comes from practice is known to all.A．IfB．WhatC．WhereD．That-高一英语
• _____ the city’s public school system should be open to the children of migrant workers has become t
• It gives his life a flying start ________ he has gone abroad for further education.A．what B．whenC．th
• ________ we go there by train or by ship makes no difference. The time and the fees are the same.A．
• 用140cm的铁丝围成一个面积为1000cm2的矩形，求这个矩形的长和宽。-九年级数学
• 关于x，y的方程x2+xy+2y2=29的整数解（x，y）的组数为（）A．2组B．3组C．4组D．无穷多组-数学
• ________ the famous actress wants to offer to her fans is honesty and happiness.A．WhichB．WhatC．ThatD
• ________wins the contest will get the chance to travel around Europe for a week.A．SomeoneB．AnyoneC．W
• 方程x2+2xy+3y2=34的整数解（x，y）的组数为（）A．3B．4C．5D．6-数学
• I want to show you is my gratitude and respect for your continuous and selfless help.A．ThatB．WhichC．
• ______ in the regulations is that you _____ other people the password of your e-mail account. A．What
• It remains unknown ________ the peace talk between the two countries is going to lead.A．where B．when
• —What's your uncle's opinion about your decision?—He always encourages me to do ________ I
• 方程xy-10（x+y）=1的整数解为______．-数学
• 2006年，市兴业建筑开发公司出资80万元购得一块黄金土地，计划再投资一定数量建筑资金，利用这块土地修建商品房住宅楼计4000m2，根据预算，建筑资金由建筑材料费用支出，建筑-数学
• The limits of a person’s intelligence, generally speaking, are fixed at birth, but ________he reache
• _______parentssayanddousuallyhasalife-longeffectontheirchildren.A．ThatB．WhichC．WhatD．As-高三英语
• (2013·高考陕西卷)It remains to be seen________the newly formed committee’s policy can be put into practic
• (2013·高考江西卷)________one of you breaks the window will have to pay for it.A．WhoeverB．WhateverC．Whiche
• 设直角三角形的两条直角边长分别为a，b，斜边长为c．若a，b，c均为整数，且c=13ab-（a+b），求满足条件的直角三角形的个数．-数学
• ___ in the regulations is that you ___ other people the password of your e-mail account．A．What is re