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1、智課網(wǎng)GRE備考資料新GRE數(shù)學(xué)易錯(cuò)題型解析_GRE數(shù)學(xué)1.l1,l2andl3arethreelinesinspaceThenumberofpointsatThenumberofpointsatwhichlinesl1andl2intersectwhichlinesl2andl3intersect1，三條肆意直線，L1和L2的交點(diǎn)的個(gè)數(shù)與L2和L3的交點(diǎn)的個(gè)數(shù)沒(méi)關(guān)。2.Thenumberof1/4-inchlengthsin1a4-inchlength2，是問(wèn)4英尺中有若干好多個(gè)1/4英尺，應(yīng)該是16個(gè)，所以A3.Themaximunnumberofsolidcubes4havinge
2、dgesoflength1/2meterthatcanbeplacedinsideacubicalboxhavinginsideedgesoflength1meter3邊長(zhǎng)為1的立方體里最多能放下幾個(gè)邊長(zhǎng)為1/2的立方體，當(dāng)然是8個(gè)咯4.CubeChasvolume8cubiccentimetersTheareaofoneofthefacesofcubeC3squarecentimeters4立方體體積是8，那一個(gè)面的面積當(dāng)然是4咯5.Ms.Smithgotan8percentcost-of-livingraiseof$20perweekMs.Smith'snewweeklysalary
3、$2605x*0.08=20，那x+20=270>2606.Onacertainnumberlive,if-7isadistanceof4fromnand7isadistanceof18fromnthenn=A.25B.11C.3D.-3E-116應(yīng)該是-117.Forallrealnumbersaandb.ifa?b=a(a+b),thena?(a?b)=A.a2+abBa2+ab+aCa2+a+bDa3+a2bEa3+a2b+a2注：a2暗示a平方，a3暗示a立方7新界說(shuō)的運(yùn)算a?b=a(a+b),那a?(a?b)=a?(aa+ab)=a(a+aa+ab)=aa+aaa+aab8.s
4、ecretarytyped6letters,eachofwhichhadeither1or2pages.Ifthesecretarytyped10pagesinall,howmanyofthelettershad2pages?A1B2C3D4E5謎底是D，問(wèn)題問(wèn)題我都看不懂，是啥意思呢?這是說(shuō)秘書打六封信，沒(méi)一封信要1頁(yè)或者兩頁(yè)。如不美觀秘書總共打了10頁(yè)，那么有若干好多封信是兩頁(yè)?解答：設(shè)有x封，則2x+(6-x)=10,解得x=4.9howmanyofthefivenumbersaboveareeachequaltotheproductofanintegerandanoddinteg
5、erthatgreaterthan1?這五個(gè)數(shù)是:2681416a.noneb.onec.twod.theree.four我感受這道題除了2不成能,其它四個(gè)數(shù)都有可能.可謎底是c,想問(wèn)巨匠為什么?問(wèn)題問(wèn)題意思是這5個(gè)數(shù)哪些可所以2個(gè)>1的數(shù)的積,一個(gè)是奇數(shù),一個(gè)是整數(shù),只有6和14的因數(shù)中有奇數(shù),所以C.10這是一道圖表題.whatwastheapproximatepercentincreaseinpersonalincomefrom1965to1970?是這樣(1970-1965)/1965仍是(1970-1965)/1970這樣?是這樣:(1970-1965)/1965
