计算：-八年级数学

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• 若，则=.-八年级数学
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• 的平方根是（）A．B．C．D．-八年级数学
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• 当时，化简的结果是．-九年级数学
• The boy hot on the forehead. He must be sent to the hospital at once.A．is feltB．feltC．feelsD．was fel
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• 下列计算正确的是A．B．C．D．-九年级数学
• (8分）)先化简、再求值：，其中a＝－3．-八年级数学
• By next summer John _____in this factory for thirteen years.A．has been workingB．will have been worki
• -----You shouldn’t have gone there alone last night .-----But I ______. Philip went there together w
• 化简：_______________。-八年级数学
• It was a pity that when we got to the cinema, the movie___ , so we saw only the end of it.A．was fini
• The gasoline . Let’s fill the car up at the next gas station.A．is running outB．has run outC．is being
• （本小题满分10分）计算或化简：（1）—+-九年级数学
• 函数中，自变量的取值范围是()．A．B．≥C．≤D．-九年级数学
• -- Why do you look so worried ?-- My MacBook Pro broke down and my paper _____ unfinished ever since
• —When will you come to see me, Dad?—I will go to see you when you_____ the training course.A．will ha
• I’m afraid I won’t be available then. I _____ a friend off at 3:00 this afternoon.A．seeB．am seeingC．
• 将（a-1）根号外的因式移至根号内．-八年级数学
• It was snowing hard and Mother told me to put on a thick coat to ______myself from the cold.A．Preven
• 计算：①②-八年级数学
• 计算：-八年级数学
• 当时，代数式的值是.-九年级数学
• The recent stories in this magazine, _____ one of yours, have been ____ in the list of the best ones
• 计算：.(本小题6分）-九年级数学
• Pieces of bamboo or wood ________ books between 2nd and 5th century AD.A. used to formedB. used to f
• 比较大小：（填“＜”、“＞”、“=”）-八年级数学
• .当x满足时，式子有意义-八年级数学
• ---I called you last night, but nobody answered.---Oh, I usually___off my cellphone by 9:00 p.m.A．sw
• ．实数a、b在数轴上的位置如图所示，那么化简|a-b|-的结果是()A.2a-bB.bC.-bD.-2a+b-九年级数学
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• 如果是二次根式，那么应满足的条件是（）A．B．C．≥D．≤-九年级数学
• 计算的结果是（）A．B．C．D．-九年级数学
• 下列运算正确的是（）A．B．C．D．-九年级数学
• 若是实数，，则-八年级数学
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• Since then the number of people taking driving lessons______20%.A．has increased toB．increases byC．ha
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• 若，则的值为-九年级数学
• 若︱a-2︱+=0，则a2-b=．-八年级数学
• 计算：．-八年级数学