（1）计算：348-913+312（2）解方程：（2x-1）2=x2+2x+1．-数学

更多内容推荐

• ________ we ________ much longer, we might not even have had the spot on the rooftop.A．Should; hesi
• ---Our familyto Taiwan Island this coming holiday.---Have a great time!A．have traveledB．went traveli
• —The dinner was delicious! —I agree. I am so full. —That's too bad. But some dessert ________.A
• The chief editor demanded that the article immediately.A．submittedB．was submittedC．submitsD．be subm
• 计算：412-8=______．-数学
• I was out of town at that time, so I don’t know exactly how it ______.A．was happeningB．happenedC．has
• 的值是（）A．2B．±2C．－2D．0-九年级数学
• 下列计算正确的是（）A．3+3=6B．16+9=4+3=7C．45-35=5D．2+2=22-数学
• ----- Hi, Tracy, you look tired. ------ I ________ the living room for three hours.A．paintedB．had pa
• — Hi, Torry, can I use your computer for a while this afternoon? —Sorry. .A．It’s repairedB．It has b
• –How was your trip abroad?–Great. The only pity is that I ______to buy some gifts for my friends.A．f
• ---Ring me at six tomorrow morning, will you ?---Why that early ? I _____then.A．have sleptB．have bee
• —Tomorrow ___ my birthday, I’d like you and Jane to come. -- I’m not sure if she ____ free.A．will be
• Because the shop_____, all the T-shirts are sold at half price.A．has closed downB．closed downC．is cl
• ---Good evening. I _______ to see Miss Mary.---Oh, good evening. I’m sorry, but she is not in.A．came
• Tsinghua University, ______ in 1911, is home a great number of outstanding figures.A．foundB．founding
• 计算：|-22|-12-8+313-数学
• 的绝对值是（）．A．2B．－2C．－4D．4-八年级数学
• 化简：439a-8a16+4a1a；并将自己所喜欢的a值代入化简结果进行计算．-数学
• 计算下列各式：（1）33+2-（22+23）；（2）化简：524x-6x9+2x1x，并将自己所喜欢的x值代入化简结果进行计算．-数学
• He said that his car __________ stolen and he ________ have to telephone the police.A．was; wouldB．h
• Our friendship _____ quickly over the weeks that followed.A．had developed B．was developingC．would d
• —Have you heard about that fire in the market?— Yes, fortunately no one _____.A．hurt B．was hurt C．ha
• Don’t disturb me. I ______ letters all the morning and have written ten so far.A．writeB．was writingC
• The general demanded that the soldiers at the village before 5 p.m. to rescue the victims of the ea
• -----It is long since we met last. Haven’t you graduated from college yet? ----- _____. I ____ Engli
• Measures have been taken to prevent the accidents, but much _____ for more improvement.A．remains to
• The closing music________out when the hero rides off into the sunset.[ ]A. fadedB. would fadeC. has
• 下列计算：①8-3=8-3；②4+9=4+9；③32-2=22．其中正确的有（）A．0个B．1个C．2个D．3个-数学
• (213)2+(-213)2的值是（）A．0B．423C．23D．以上都不对-数学
• The three of us ________ around Europe for about a month last summer.A．travelledB．have travelledC．ha
• 9的平方根是（）．A．B．3C．±3D．81-八年级数学
• 若二次根式有意义，则的取值范围为A．B．C．D．-九年级数学
• It is the third time that he ____ the first prize in the competition. A．winsB．wonC．has wonD．had won-
• 计算下列各题：（1）12-18；（2）12-36；（3）212×143÷52；（4）(x+x-1)(x-x-1)．-数学
• 解下列方程：（1）248-613+512；（2）x2-4x-3=0．-数学
• 计算：312-313+48．-数学
• 125+45-515-数学
• -—David has gone to Australia on business.—Really? I ______ why he was absent from today’s meeting.A
• ------When can I see you, Mr Black? Three o’clock this afternoon?------Oh, no. I _____ a meeting the
• When I said some students were so lazy, I ___to you.A．don’t referB．wasn’t referringC．didn’t referD．
• ---Hi, Tracy, you looked tired.---I am tired. I______the living room all day. A．paintedB．had painted
• 已知a+1a=6．（1）若0＜a＜1，求a-1a的值；（2）若没有条件0＜a＜1的限制，则a-1a的值等于多少？-数学
• I didn’t see your sister at the cinema. If she ______, she would have met my brother.A．has comeB．did
• Exciting as its special effects are ______, there is too much violence in the film.A．being watchedB．
• 计算与解方程（1）8-(12+218)．（2）x2-2x-1=0-数学
• 212+3113-3448．-数学
• 计算：18-22-82-数学
• .--- Have you finished your homework? --- No. I ______ Good Voice of China on Zhejiang TV all day ye
• Alice trusts you; only you can ________ her to give up the foolish idea. A．suggestB．helpC．makeD．pers