计算、解方程：（1）计算：(48-418)-(313-20.5)；（2）x（2x-5）=4x-10．-数学

更多内容推荐

• Since the opening and reform policy, Chinaa boom in its economy.A．enjoysB．has been enjoyingC．enjoyed
• 23x18x+12xx8-x22x．-数学
• ——Is this the first time you _______ Qingdao?—— No, but the first time I _______ here, the city wasn
• 下列计算中，正确的是（）A．3+2=5B．3+2=32C．32+43=75D．12+27+43=93-数学
• I have to go to work by taxi because my car at the garageA．will be repairedB．is repairedC．is being r
• I ___ my son ___ a doctor, but he wasn’t good enough at science.A．hoped; becameB．hoped; would become
• 计算：（1）412-50（2）33-13+2（3）(5+10)(52-25)（4）(35-60)÷55-数学
• 计算：12-43sin60°-tan30°．-数学
• Nowadays, a large number of women, especially those from the countryside, ________ in the clothing i
• The teachers insisted that the student ______wrong and that he _______A．was; punishedB．was; be punis
• How can you expect others to believe you when you ___ constantly ___ lies!A．have; toldB．had; told C
• The number of deaths from heart disease will be reduced greatly if people _____ to eat more fruit an
• By the time we reach that page, we ___________ twenty lessons of the book.A．will studyB．will have st
• 8+50-318．-数学
• A bridge _____________ in the distance and its construction _____________ in a year.A．is being built
• It is said that the old coins ______ under the earth for about 100years by the time they were discov
• My uncle _____ in Taiwan for 20 years. Now he has settled down in mainland.A．livedB．had livedC．has l
• 计算：18-8-2=______．-数学
• 计算：8+12-412-32+6-24．-数学
• 8-2的结果是（）A．6B．22C．2D．2-数学
• Whenever you have questions in class, first you should _____ your hand , then _____and ask with the
• ---Kate returned home last night. ---Really? Where_________?A．had she goneB．has she beenC．has she go
• 计算：(1432-312)-（148-323)．-数学
• 计算：8-212=______．-数学
• High up in the mountains _____ a quiet small village, with only 20 households.A．surroundsB．locatesC．
• ---Alice’s second-hand computer ____ wrong although she used it only once.---You’d better go to chec
• 一Did he notice you enter the classroom?、一I don’t think so．He _______ to the radio with his eyes shut
• — I'm leaving tomorrow.— Oh, what a pity! I won't be able to see you off. I __ a tele-conf
• You can’t be careful enough with the dry wood ．It ___easily．A．is lightedB．is lightingC．will be light
• Tihe young man insisted he ____nothing wrong and that the police___him．A．did: releasedB．had done; re
• 若48-4x=23，则x的值为（）A．3B．32C．34D．38-数学
• 计算：（1）27-212+45（2）5242-323-数学
• A Sichuan government official expressed their thanks through CCTV for the aid they ______ in the la
• Ladies and gentlemen, please fasten your seat belts. The plane__________.A．takes offB．is taking offC
• —How are you today?—Oh, I __________ as ill as I do now for a long time．A．didn’t feelB．haven’t feltC
• Jack as well as the other students who ______ sent abroad by the government ______ brought up in a
• Mr. Lee, who _______ as a carpenter for over 10 years, is now a very famous statesman in this count
• 计算：18+2=______．-数学
• 计算：（1）32+52（2）|2-2|+22．-数学
• 计算：25-9=______．-数学
• 化简：（1）（23-2）2；（2）（3+2）（3-2）；（3）27-123；（4）8+32-2+12．-数学
• 计算：（1）32-218+0.5；（2）(3+5)(3-5)-(3-1)2．-数学
• I'm sure I ___in a certain key university at this time next year．A．am studyingB．will have studi
• Oh, it’s you! I _______________ about our meeting here.A．have never dreamedB．had never dreamedC．neve
• Now that she is out of a job, Lucy ______ going back to school, but she hasn’t decided yet.A．had con
• 计算32-3(22-18)的结果为（）A．72B．22C．2D．3-数学
• —That must have been a long trip．—Yeah, it us a whole week to get there．A．takesB．has takenC．tookD．wa
• 下列各式计算中，正确的是（）A．56-36=2B．7x+2x=92xC．xa+ya=x+yaD．123x-133x=163x-数学
• The story ______, and everybody knows about it. A．has been got roundB．got roundC．was got roundD．has
• I want to buy that kind of cloth because I ______ the cloth ______ well．A．have told; washesB．was tol