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cwf19832003

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[½»Á÷] GRE&GMATÊýѧ²¿·ÖÊõÓï×Ü»ã

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1. ÓйØÊýѧÔËËã

add£¬plus ¼Óª¤ subtract ¼õª¤ difference ²îª¤ª¤ multiply, times ³Ëª¤
product »ýª¤ divide ³ýª¤ divisible ¿É±»Õû³ýµÄª¤ divided evenly ±»Õû³ýª¤
dividend ±»³ýÊý£¬ºìÀûª¤ divisor Òò×Ó£¬³ýÊýª¤ quotient É̪¤ remainder Óà
Êýª¤ª¤ factorial ½×³Ëª¤ power ³Ë·½ª¤ radical sign, root sign ¸ùºÅª¤
round to ËÄÉáÎåÈ몤 to the nearest ËÄÉáÎåÈë

2. Óйؼ¯ºÏ

union ²¢¼¯ª¤ proper subset Õæ×Ó¼¯ª¤ solution set ½â¼¯ª¤ª¤

3.ª±ÓйشúÊýʽ¡¢·½³ÌºÍ²»µÈʽ

algebraic term ´úÊýÏ like terms, similar terms ͬÀàÏ numerical
coefficient Êý×ÖϵÊýª¤ literal coefficient ×ÖĸϵÊýª¤ª¤ inequality ²»µÈ
ʽª¤ triangle inequality Èý½Ç²»µÈʽª¤ª¤ range ÖµÓòª¤ª¤ original equation
Ô­·½³Ìª¤ equivalent equation ͬ½â·½³Ì£¬µÈ¼Û·½³Ìª¤ linear equation ÏßÐÔ
·½³Ì(e.g. 5ª«xª«+6=22)ª¤

4.ª±ÓйطÖÊýºÍСÊý

proper fraction Õæ·ÖÊýª¤ improper fraction ¼Ù·ÖÊýª¤ mixed number ´ø·ÖÊý
ª¤ vulgar fraction£¬common fraction ÆÕͨ·ÖÊýª¤ simple fraction ¼ò·ÖÊýª¤
complex fraction ·±·ÖÊýª¤ª¤ numerator ·Ö×Óª¤ denominator ·Öĸª¤ (least)
common denominator £¨×îС£©¹«·Öĸª¤ quarter ËÄ·ÖÖ®Ò»ª¤ decimal fraction
´¿Ð¡Êýª¤ infinite decimal ÎÞÇîСÊýª¤ recurring decimal Ñ­»·Ð¡Êýª¤
tenths unit Ê®·Ö몤ª¤

5. »ù±¾Êýѧ¸ÅÄª¤

arithmetic mean ËãÊõƽ¾ùÖµª¤ weighted average ¼ÓȨƽ¾ùÖµª¤ geometric
mean ¼¸ºÎƽ¾ùÊýª¤ª¤ exponent Ö¸Êý£¬Ãݪ¤ base ³ËÃݵĵ×Êý,µ×±ßª¤ cube Á¢·½
Êý£¬Á¢·½Ì媤 square root ƽ·½¸ùª¤ cube root Á¢·½¸ùª¤ª¤ common
logarithm ³£ÓöÔÊýª¤ª¤ digit Êý×Öª¤ constant ³£Êýª¤ variable ±äÁ¿ª¤ª¤
inverse function ·´º¯Êýª¤ complementary function ÓຯÊýª¤ linear Ò»´ÎµÄ
£¬ÏßÐԵΤ factorization Òòʽ·Ö½âª¤ absolute value ¾ø¶ÔÖµ£¬e.g.£ü-32£ü
=32ª¤ round off ËÄÉáÎåÈë ª¤

6.ª±ÓйØÊýÂÛª¤

natural number ×ÔÈ»Êýª¤ positive number ÕýÊýª¤ negative number ¸ºÊýª¤
odd integer, odd number ÆæÊýª¤ even integer, even number żÊýª¤ integer,
whole number ÕûÊýª¤ positive whole number ÕýÕûÊýª¤ negative whole
number ¸ºÕûÊýª¤ª¤ consecutive number Á¬ÐøÕûÊýª¤ real number, rational
number ʵÊý,ÓÐÀíÊýª¤ irrational£¨number£© ÎÞÀíÊýª¤ª¤ inverse µ¹Êýª¤
composite number ºÏÊý e.g. 4,6,8,9,10,12,14,15¡­¡­ª¤ prime number ÖÊÊý(ËØÊý£©
e.g. 2,3,5,7,11,13,15¡­¡­ ×¢Ò⣺ËùÓеÄÖÊÊý(2³ýÍâ)¶¼ÊÇÆæÊý£¬µ«ÆæÊý²»Ò»¶¨
ÊÇÖÊÊý reciprocal µ¹Êýª¤ª¤ common divisor ¹«Ô¼Êýª¤ multiple ±¶Êýª¤
(least)common multiple (×îС)¹«±¶Êýª¤ª¤ (prime) factor (ÖÊ)Òò×Óª¤ common
factor ¹«Òò×Óª¤ª¤ ordinary scale, decimal scale Ê®½øÖƪ¤ nonnegative ·Ç
¸ºµÄª¤ª¤ tens ʮ몤 units ¸ö몤ª¤ mode ÖÚÊýª¤ median ÖÐÊýª¤ª¤ common
ratio ¹«±Èª¤ª¤

7.ª±ÊýÁÐ

arithmetic progression(sequence) µÈ²îÊýÁЪ¤ geometric
progression(sequence) µÈ±ÈÊýÁЪ¤ª¤ 8.ª±ÆäËüª¤ approximate ½üËÆª¤
(anti)clockwise (Äæ) ˳ʱÕë·½Ïòª¤ cardinal »ùÊýª¤ ordinal ÐòÊýª¤
direct proportion Õý±Èª¤ distinct ²»Í¬µÄª¤ estimation ¹À¼Æ£¬½üËÆª¤
parentheses À¨ºÅª¤ proportion ±ÈÀýª¤ permutation ÅÅÁЪ¤ combination ×éºÏ
ª¤ table ±í¸ñª¤ trigonometric function Èý½Çº¯Êýª¤ unit µ¥Î»,몤

¼¸ºÎ²¿·Ö

1. ËùÓеĽÇ

alternate angle ÄÚ´í½Çª¤ corresponding angle ͬλ½Çª¤ vertical angle ¶Ô
¶¥½Çª¤ central angle Ô²ÐĽǪ¤ interior angle ÄڽǪ¤ exterior angle Íâ½Ç
ª¤ supplementary angles ²¹½Çª¤ complementary angle Óà½Çª¤ adjacent angle
ÁڽǪ¤ acute angle Èñ½Çª¤ obtuse angle ¶Û½Çª¤ right angle Ö±½Çª¤
round angle ÖܽǪ¤ straight angle ƽ½Çª¤ included angle ¼Ð½Çª¤ª¤

2.ª±ËùÓеÄÈý½ÇÐÎ

equilateral triangle µÈ±ßÈý½ÇÐΪ¤ scalene triangle ²»µÈ±ßÈý½ÇÐΪ¤
isosceles triangle µÈÑüÈý½ÇÐΪ¤ right triangle Ö±½ÇÈý½ÇÐΪ¤ oblique бÈý
½ÇÐΪ¤ inscribed triangle ÄÚ½ÓÈý½ÇÐΪ¤ª¤

3.ª±ÓйØÊÕÁ²µÄÆ½ÃæÍ¼ÐΣ¬³ýÈý½ÇÐÎÍ⪤

semicircle °ëÔ²ª¤

concentric circles ͬÐÄÔ²ª¤ quadrilateral ËıßÐΪ¤ pentagon Îå±ßÐΪ¤
hexagon Áù±ßÐΪ¤ heptagon Æß±ßÐΪ¤ octagon °Ë±ßÐΪ¤ nonagon ¾Å±ßÐΪ¤
decagon Ê®±ßÐΪ¤ polygon ¶à±ßÐΪ¤ parallelogram ƽÐÐËıßÐΪ¤ equilateral
µÈ±ßÐΪ¤ plane Æ½Ãæª¤ square Õý·½ÐΣ¬Æ½·½ª¤ rectangle ³¤·½ÐΪ¤
regular polygon Õý¶à±ßÐΪ¤ rhombus ÁâÐΪ¤ trapezoid ÌÝÐΪ¤ª¤

4.ª±ÆäËüÆ½ÃæÍ¼ÐÎ

arc »¡ª¤ line, straight line Ö±Ïߪ¤ line segment Ï߶Ϊ¤ parallel lines
ƽÐÐÏߪ¤ segment of a circle »¡ÐΪ¤ª¤

5.ª±ÓйØÁ¢ÌåͼÐÎ

cube Á¢·½Ì壬Á¢·½Êýª¤ rectangular solid ³¤·½Ì媤 regular solid/regular
polyhedron Õý¶àÃæÌ媤 circular cylinder Ô²ÖùÌ媤 cone Ô²×¶ª¤ sphere ÇòÌå
ª¤ solid Á¢ÌåµÄª¤ª¤

6.ª±ÓйØÍ¼ÐÎÉϵĸ½ÊôÎï

altitude ¸ßª¤ depth Éî¶Èª¤ side ±ß³¤ª¤ circumference, perimeter Öܳ¤ª¤
radian »¡¶Èª¤ surface area ±íÃæ»ýª¤ volume Ìå»ýª¤ arm Ö±½ÇÈý½ÇÐεĹɪ¤
cross section ºá½ØÃ檤 center of a circle Ô²ÐΤ chord ÏÒª¤ radius °ë¾¶
ª¤ angle bisector ½Çƽ·ÖÏߪ¤ diagonal ¶Ô½ÇÏߪ¤ diameter Ö±¾¶ª¤ edge À⪤
face of a solid Á¢ÌåµÄÃæª¤ hypotenuse б±ßª¤ included side ¼Ð±ßª¤ leg
Èý½ÇÐεÄÖ±½Ç±ßª¤ median of a triangle Èý½ÇÐεÄÖÐÏߪ¤ base µ×±ß£¬µ×Êý£¨
e.g. 2µÄ5´Î·½£¬2¾ÍÊǵ×Êý£©ª¤ opposite Ö±½ÇÈý½ÇÐÎÖеĶԱߪ¤ midpoint Öеã
ª¤ endpoint ¶Ëµãª¤ vertex (¸´ÊýÐÎʽvertices)¶¥µãª¤ tangent ÇÐÏߵΤ
transversal ½ØÏߪ¤ intercept ½Ø¾àª¤ª¤

7.ª±ÓйØ×ø±êª¤ª¤

coordinate system ×ø±êϵª¤ rectangular coordinate Ö±½Ç×ø±êϵª¤ origin Ô­
µãª¤ abscissa ºá×ø±êª¤ ordinate ×Ý×ø±êª¤ number line ÊýÖ᪤ quadrant Ïó
ÏÞª¤ slope бÂʪ¤ complex plane ¸´Æ½Ã檤ª¤

8.ª±ÆäËü

plane geometry Æ½Ãæ¼¸ºÎª¤ trigonometry Èý½Çѧª¤ bisect ƽ·Öª¤
circumscribe ÍâÇЪ¤ inscribe ÄÚÇЪ¤ intersect Ïཻª¤ perpendicular ´¹Ö±
ª¤ pythagorean theorem ¹´¹É¶¨Àíª¤ congruent È«µÈµÄª¤ multilateral ¶à±ßµÄ
ª¤

ÆäËüª¤ª¤

1.ª±µ¥Î»Àત

cent ÃÀ·Öª¤ penny Ò»ÃÀ·ÖÓ²±Ò ª¤ nickel 5ÃÀ·ÖÓ²±Òª¤ dime Ò»½ÇÓ²±Òª¤ dozen
´ò£¨12¸ö£©ª¤ score Ø¥(20¸ö)ª¤ Centigrade ÉãÊϪ¤ Fahrenheit »ªÊϪ¤ quart
¿äÍѪ¤ gallon ¼ÓÂØ(1 gallon = 4 quart)ª¤ yard Â몤 meter Ãת¤ micron ΢
Ãת¤ inch Ó¢´çª¤ foot Ó¢³ßª¤ minute ·Ö(½Ç¶ÈµÄ¶ÈÁ¿µ¥Î»£¬60·Ö=1¶È)ª¤
square measure ƽ·½µ¥Î»Öƪ¤ cubic meter Á¢·½Ãת¤ pint Æ·ÍÑ(¸ÉÁ¿»òÒºÁ¿µÄ
µ¥Î»)ª¤ª¤

2.ª±ÓйØÎÄ×ÖÐðÊöÌ⣬Ö÷ÒªÊÇÓйØÉÌÒµ

intercalary year(leap year) ÈòÄê(366Ìì)ª¤ common year ƽÄê(365Ìì)ª¤
depreciation Õ۾ɪ¤ down payment Ö±½Ó¸¶¿îª¤ discount ´òÕÛª¤ margin ÀûÈó
ª¤ profit ÀûÈóª¤ interest ÀûÏ¢ª¤ simple interest µ¥Àûª¤ compounded
interest ¸´Àûª¤ dividend ºìÀûª¤ decrease to ¼õÉÙµ½ª¤ decrease by ¼õÉÙÁË
ª¤ increase to Ôö¼Óµ½ª¤ increase by Ôö¼ÓÁ˪¤ denote ±íʾª¤ list price ±ê
¼Ûª¤ markup ÕǼ۪¤ per capita ÿÈ˪¤ ratio ±ÈÂʪ¤ retail price ÁãÊÛ¼Ûª¤
tie ´òƽ
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