计算：（1）；（2）；（3）；（4）．-九年级数学

更多内容推荐

• Although there were only five athletes ____ in the race, it was a rather exciting one.A．competingB．h
• China ________ rapid economic development and political stability over the past three decades, but w
• 下列计算错误的有：①；②2+=2；③；④[]A．1个B．2个C．3个D．4个-九年级数学
• —Have you been to the United States?—Yes, only once. I ________ there only for seven days.A．stayedB．
• Now my father_________his bike to work every day instead of driving.A．rideB．rodeC．ridesD．will ride-高
• I would have come earlier, but I ________ that you were waiting for me. A．hadn’t known B．didn’t know
• -八年级数学
• — That’s the third time he’s won the award in this field.— Yes. He ______ his maximum potential in t
• I got the job I _______ for. The boss picked me out of 30 applicants.A．interviewedB．had interviewedC
• 下列计算正确的是[]A．B．C．D．-九年级数学
• Who did the English teacher, as well as the monitor, _________ an article for the wall newspaper?.A．
• 计算=（）。-九年级数学
• Hurry up! The train ______． You know it______ at 8:30 am．A．leaves; leavesB．is leaving; is leavingC．l
• —Though it __________ in the desert most of the year, people still live there.—That’s the case. They
• 下列运算正确的是[]A．B．C．D．-九年级数学
• 计算．(1)(2)-七年级数学
• Give me a cigarette, please. Mine .A．has been given outB．has been run outC．has used upD．has been run
• By the end of the last month, I_________all the CDs Of Justin Bieber.A．collectB．collectedC．have coll
• —Hi , Tracy , you look tired.—I’m tried. I ______ the living room all day.A．paintedB．had paintedC．ha
• 下列各式中正确的是[]A．B．=±3C．（﹣）2=4D．3﹣=2-八年级数学
• -八年级数学
• 化简：-九年级数学
• 已知，，求式子的值。-九年级数学
• 计算：．-九年级数学
• 计算：=()-九年级数学
• She ___ volleyball regularly for many years when she was young．A．was playingB．playedC．has playedD．ha
• --- Has your brother returned from the USA yet? ---- Yes, but he ____ here for only two days before
• After the meeting, she invited us to dinner at her home and treated us _____ many exotic foods we __
• — How long_________in Hong Kong?— For just the weekend. I’ll be back next Monday morning.A．have you
• Fruit and vegetables in areas_________ there is enough water.A．grows; thatB．are grow; whereC．growing
• The Tibetansin the Himalayas for centuries and have adjusted to the conditions at________.A．has live
• 计算：﹣（）=（）．-八年级数学
• 计算（1）+﹣（2）．-九年级数学
• ．-九年级数学
• 已知，求的值．-九年级数学
• 下列式子运算正确的是[]A．B．C．D．-九年级数学
• 计算：=()．-九年级数学
• 下列运算正确的是[]A．3a3×2a2=6a6B．4a2÷2a2=2aC．3=2D．-九年级数学
• Ladies and gentlemen, please fasten your seat belts. The plane _____.A．takes offB．has taken offC．too
• Great as Newton was, many of his ideas _______ today and are being modified by the work of scientist
• . I’ve won a holiday for two days to Florida. I _______ my mum.A．have takenB．am takingC．takeD．will h
• Fan Bingbing is easy to recognize as she’s the only one of the women who________ thebright evening d
• The house could fall down soon if no one some quick repair work.A．has doneB．is doingC．doesD．had done
• We would have avoided that terrible accident, Jack, the driver, too much that night.A．but; had drank
• 计算：．-八年级数学
• 化简：=（）-九年级数学
• （1）计算：+；（2）已知a=，求（）÷a的值；（3）解方程：x2﹣4x+1=0；（4）解方程：（x﹣1）2﹣3（x﹣1）=0．-九年级数学
• 若x=3y，则的值为（）-九年级数学
• If he _______, don’t interrupt him.A．still worksB．is still working C．still had been workingD．will st
• 计算：﹣+2-九年级数学