计算：x-2-y-2x-1+y-1（计算结果不含负整数指数幂）-数学

更多内容推荐

• 20120+2-2-（12）2+2012．-数学
• I'm working this evening because I am ________ schedule with my work.A．behind B．beyondC．over D
• _____ let the other team win, the footballer took money for ______ not scoring goals. A．In order to;
• (2013·江苏高考)I am always delighted when I receive an email from you.________ the party on July 1st I s
• _______, people injured in the earthquake are _______. A．Generally; picking upB．Sadly; picking upC．L
• 若（2x-3）x+3=1，则x=______．-数学
• （1）计算：（-1）2011+3×13-|1-3|+（3.14-π）0（2）先化简，再求值：(3xx-1-xx+1)-x2-1x，其中x=2-2．-数学
• As a student in Senior Three, I must work hard．______, I should take exercise to strengthen my body．
• The job is great _____ salary,but it has its disadvantages.A．other thanB．except forC．in view of D．in
• 计算（1）4（2-x）2=9（2）(π-2)0-30.125+4（3）-2（x-3）3+16=0．-数学
• 计算：（-1）2004+（-12）-2-（3.14-π）0．-数学
• High­speed trains which travel through my hometown ________ up to 250 km per hour make it a sma
• (2013·安徽高考)Before you pay a visit to a place of interest, look in your local library ________ a book
• He has decided to settle _____ in France because he is fond of the romantic country.A．temporaryB．tem
• 计算：2-1-（-12+32）0=______．-数学
• 若0＜x＜1，则x-1、x、x2的大小关系是（）A．x-1＜x＜x2B．x＜x2＜x-1C．x2＜x＜x-1D．x2＜x-1＜x-数学
• Some people are bad at recalling names and faces, so it's possible that they have a condition c
• 已知x=-4，y=14，求（-xy）3÷（x-2）3的值．-数学
• It is illegal for a public official to ask people for gifts or money ________ favors to them.A．in pr
• (2013·山东高考)The Smiths are praised ________ the way they bring up their children.A．fromB．byC．atD．for-
• 计算：（1）(-2xy2)3+4xy2-12x2y4；（2）(-1)-2+(12)-2-5÷(π-3)0；（3）用简便方法计算：20092-2010×2008；（4）[（x+y）（x-y）-（x-y）
• Anyone, whether he is an official or a bus driver, should berespected.A．especiallyB．naturallyC．equal
• 计算：(12)-3•sin30°-(-1)2-2tan60°3-1=______．-数学
• She was so angry and spoke so fast that none of us understood ______ he said meant．A．thatB．whatC．th
• ①计算：|-1|-4+(π-3)0+2-2②解方程：xx+3=1x-2+1．-数学
• 若代数式（x+1）0有意义，则x______．-数学
• Our company has arranged me to go on a business trip to Shenzhen next week，but I will drop in on my
• He invited me to a dance after the show ________ Christmas Eve.A．atB．onC．inD．by-高三英语
• (2012·北京高考)Do you think this shirt is too tight ________ the shoulders?A．atB．onC．toD．across-高三英语
• 计算（1）（-2）3+12（2004-3）0-|-12|（2）27-123（3）-32003-（13）2002+12（4）（-13）5×67×（12）6（5）23(18-250)（6）(48-418)
• The ship will go faster if we sail _________ the wind. A．byB．forC．withD．after-高三英语
• （温州）计算：12+12-3-（2+3）0=______-数学
• 计算：9+(π-2012)0-2cos45°．-数学
• He was a good student and scored ________ average in most subjects.A．belowB．ofC．onD．above-高三英语
• _____entering the classroom, remember to take your seat and turn off your cell phone.A．AtB．FromC．Upo
• Wuhan and Chongqing are among the most important cities in China ________ their size and population.
• Tom works very hard. His brother, ______, doesn’t do anything at all. A．for another thingB．what’s wo
• （1）1022（必须乘法公式才得分）；（2）（-2）2-20110+2-2．-数学
• 计算：（π-3）0÷(-12)3-(13)-2=______．-数学
• The furniture，with its modern style and bright colors，suits modern houses and their gardens，but look
• _____ being too large, the color and the style of the dress suit me well.A．Apart fromB．As well asC．
• 3-2的算术平方根是（）A．13B．3C．16D．6-数学
• It is well-known that humans differ _____ other mammals in their ability to speak.[ ]A. withB. betwe
• The company takes in any good workers _______ sex, age or background.A．regardless ofB．on account ofC
• I’ll probably come to see you on Sunday; ________, it will be on Monday.A．thusB．thenC．after allD．if
• 计算12+3-2-1+cos60°+20050+12．-数学
• I would like a job which pays more，but ________ I enjoy the work I'm doing at the moment.A．in
• We hadn't planned to meet.We met ________ chance.A．ofB．inC．forD．by-高三英语
• It’s true that the old road is less direct and a bit longer. We won’t take the new one, ______, beca
• 计算：（-13）0×3-2=______．-数学