计算：（12）-3+20090=______；分解因式：x3y3-4x2y2+4xy=______．-数学

更多内容推荐

• —On Sundays I prefer shutting myself in and listening to music all day on Sundays.—That’s I don’t ag
• The boy went swimming in the deep lake，________ his mother’s fear for his safety.A．but forB．regardle
• Plans have been proposed ________ the largest dam in the world to be built along the Congo River.A．o
• A model or an experiment in a science class can help us see things which would_______ remain hidden.
• I think I was at school,I was staying with a friend during the vacation when Iheard the news.[ ]A. e
• 计算（1）2a2-a8÷a6（2）2-2-(3)0+(-1)4（3）(12)-1-(3.14-π)0+0.254×44（4）3a3b2÷a2+b-（a2b-3ab-5a2b）-数学
• 已知a≠0，则下列等式中，不正确的是（）A．（-7a）0=1B．（a2+12）0=1C．（|a|-1）0=1D．（12）0=1-数学
• The temperature has risen ___ more than 20 degrees centigrade．It is quite hot ___ January in Jiangxi
• Compared ordinary dolls, Barbie Dolls sell well, whose prices range 5 dollars to 100 dollars.A．in; i
• The old man wants to see the great changes in our country, and I am sure he will ________.A．in caseB
• 分解因式：a3-25a=______；计算：（13）-1+（π-2）0-16=______．-数学
• （﹣3）﹣2﹣（3.14﹣π）0．-七年级数学
• —I think you can’t believe I had to pay $20a haircut?—You should try the barber’s I go. It’s only $5
• The Oscar winner Life of Pi is good and the pictures ________ are excellentA．in additionB．in general
• ----I was riding along the street and all of a sudden, a car cut in and knocked me down.------You ca
• （2+b）（2-b）=______；（x-y）2=______；(12)0=______．-数学
• It is the superior intelligence and the use of language that distinguish man ________ the other anim
• Being famous might sound rather admirable, but, ___________, it almost drives some stars crazy, wit
• （20+2+0.2-1）-2=______．-数学
• —Have you finished your experiment report, Jane?—Oh, my God. I’ve _____ forgotten all about that.A．s
• My daughter is really ________ Weibo these days; she spent hours on it daily.A．upB．intoC．ontoD．with
• It is well known to all that a machine needs fuel to run;,man needs food to live on.A．similarly B．co
• Linda failed in the driving test.______, she doesn’t lose heart.A．StillB．HoweverC．SoD．Though-高一英语
• You must turn off the gas after cooking. You can never be ______ careful withthat.A．enoughB． tooC．so
• 计算：（1）（-2）0+（-1）2010-(12)-1（2）（-2a）3-b2÷（8a3b2）（3）（a+3）2+a（4-a）（4）先化简，再求值：(1m-1n)÷m2-2mn+n2mn，其中m=-3
• — Let's go for a walk, shall we?— It's too late now; ________, it's beginning to rain
• 若5k-3=1，则k=______．-数学
• I’ve been wating this report____for the last two weeks, but it has to be handed torrowA finally b im
• a low monthly income，Ni Chao makes up his mind to make a charity donation of l0000 yuan every year．A
• 计算：-23+(12)-1+(π-3)0．-数学
• The man moved forward and ________ looked over the edge, shrinking his shoulders.[ ]A. accurately B.
• The favorite room is the tidy study with a fireplace, ____ we can watch TV and enjoy the nice scener
• 计算化简：（1）|-4|+(-1)2009-(12)-2+(π)0（2）(x+1-15x-1)÷x-4x-1．-数学
• Taking regular exercise and eating a balanced diet are two important keys ________ good health.A．inB
• Once he makes up his mind to do something, he will devote himself _________to it.A．stronglyB．extrem
• 计算：（-12）0+（-12）2+（-12）-2．-数学
• ______ send officials abroad for training, I think it is better for the government to directly admit
• 若（a-2）a+1=1，则a=______．-数学
• At first the institute refused to purchase(购买) the experiment instrument, but this decision was ____
• They look similar _____ appearance, but quite different_____ other aspects.A．to; inB．in; fromC．to ;f
• 计算：（1）5s2t-2s2t；（2）-22+20-|-3|×（-3）-1；（3）（a2b）（-2ab2）（-0.5a4b5）；（4）4m2-（-2m+3）（-2m-3）．-数学
• （1）计算：23-1+27-(3-1)0；（2）计算：1+cos30°sin60°•tan60°；（3）解方程：x（x+8）=16．-数学
• The Boston Marathon bombings killed 3 people, including a Chinese citizen ________ Shenyang.A．inB．fr
• Noise is unpleasant, _____ when you are trying to sleep．A．probably B．exactlyC．especiallyD．only-高一英语
• 计算（化简）：（1）(2)0-(13)-4×(-13)2-(-2)3（2）（-2x）3÷（4x）-3x（1-x）-数学
• There are five pairs,but I’m at a loss which to buy. [ ]A.to be chosenB.to choose from C.to chooseD.
• 计算：(6-3)2+(6-3)0．-数学
• 下列各式不正确的是（）A．20100=1B．（23）-4=（32）4C．（-34）-3=（43）3D．10-3=0.001-数学
• —When did you get home last night?—It was almost midnight ________ we arrived home.A．that B．beforeC．
• The computer, ______________ help we human beings have stepped into the information age, should be m