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¹ÎÀº±â¼±»ý´ÔÀÇ ¼öÇÐÀÚ·á½Ç ÀÌ¿ë¹æ¹ý : https://goo.gl/bVaSff

¹Ýµå½Ã Ardobe reader ¸¦ ¼³Ä¡ ÈÄ¿¡ ÀڷḦ ÀÌ¿ë¹Ù¶ø´Ï´Ù.

ÀÚ·á´Â Geogebra¿Í TexÀÇ beamer¸¦ ÀÌ¿ëÇÏ¿© ¸¸µç °ÍÀÔ´Ï´Ù.

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20151105 : ggb problemhttp://me2.do/GxXTUPJI Á¡ F, Á÷¼± l°ú Á÷¼± mÀÌ ÁÖ¾îÁ® ÀÖÀ» ¶§, Á¡ F¿Í Á÷¼± l¿¡ °°Àº °Å¸®¸¸Å­ ¶³¾îÁ® ÀÖ´Â Á÷¼± m À§¿¡ ÀÖ´Â Á¡À» ÀÛµµÇÏ¿©¶ó. (If there are a point F and a straight line l and a straight line m, draw a point on the line m separated by the same distance as the point F and the straight line l.): https://goo.gl/WdWrNT  YouTube : https://youtu.be/37UUVlZQ_c4  GeogebraTube : https://ggbm.at/ZJuBvqt2

20151010 : Æò¸é À§ÀÇ ÆòÇàÇÏÁö ¾ÊÀº µÎ Á÷¼±¿¡ ¼öÁ÷ÀÎ Á÷¼±Àº Æò¸é°ú ¼öÁ÷ÀÌ´Ù.(When a line is perpendicular to two non-parallel lines on a plane, it is perpendicular to the plane.) : http://me2.do/GNA5FdVH

20150917 : ggb problemhttp://me2.do/x6OJoZ1o Æ÷¹°¼±ÀÇ ÃÊÁ¡°ú Áؼ±ÀÌ ÀÖ°í Æ÷¹°¼± ³»ºÎÀÇ ÇÑ Á¡ÀÌ ÀÖÀ» ¶§, ±× ÇÑ Á¡À» Áö³ª¸é¼­ Æ÷¹°¼±°ú ¸¸³ª´Â µÎ ±³Á¡ÀÇ ÁßÁ¡ÀÌ ±× ÇÑ Á¡ÀÌ µÇµµ·Ï ÇÏ´Â Á÷¼±À» ÀÛµµÇ϶ó.(If there is a focus and its directrix of a parabola and a point inside of it, draw a line crossing the point and making it the middle of the intersection point passing through this parabola.) : https://goo.gl/y2Zsto 

20150903 : ggb problem : http://me2.do/GTfn0ei4 ´ëĪÃà, ÃÊÁ¡, Æ÷¹°¼± »óÀÇ ÇÑ Á¡ÀÌ ÁÖ¾îÁ³À» ¶§, Æ÷¹°¼±ÀÇ Áؼ± ÀÛµµÇϱâ.(With a axis of symmetry and a focus and a point on a parabola, draw a directrix of the parabola.) : http://me2.do/xMijzE6G

20150815 : °ÅºÏÀÌ ¿¹Á¦(Turtle Example) : http://me2.do/FgeOhq8R ggbhttp://me2.do/xOUvXtdU

20150811 : Ä­Åä¾î ÁýÇÕ(Cantor Set) : http://me2.do/FOAmiBUM ggbhttp://me2.do/GunGNmRh

20150804 : ¸ðµç Æ÷¹°¼±Àº ´àÀ½ÀÌ´Ù.(Æ÷¹°¼±ÀÇ ¹æÁ¤½Ä)(All parabolas are similar.(Parabola Equation)) : http://me2.do/G2qFE8VU

20150710 : ¸ðµç Æ÷¹°¼±Àº ´àÀ½ÀÌ´Ù.(All parabolas are similar.) : http://me2.do/F9ILLClE

20150529 : x^2 over a^2 - y^2 over b^2 =-1 ½Ö°î¼± ±×¸®±â.(Draw hyperboa x^2 over a^2 - y^2 over b^2 =-1 (a>0,b>0).) : http://me2.do/5SobYMgM

20150427 : ggb problem : http://me2.do/GjJHhlKm Æ÷¹°¼±ÀÌ ÁÖ¾îÁ³À» ¶§ ´ëĪÃà ÃÊÁ¡ Áؼ± ÀÛµµÇ϶ó.(When a parabola given, draw the directrix and the focus of the parabola.) :  http://me2.do/x4X7Zk5o

20150418 : ¿ø¿¡ °üÇÑ ºÎµî½ÄÀÇ ¿µ¿ª(Area of inequality about circle) : http://me2.do/FLiLL0Mk

20150415 : Áؼ±°ú ÃÊÁ¡ÀÌ ÀÖ°í, ÃÊÁ¡À» ½ÃÀÛÁ¡À¸·Î ÇÏ´Â ¹ÝÁ÷¼±ÀÌ ÀÖÀ» ¶§, ±× ¹ÝÁ÷¼±°ú ¸¸³ª´Â Æ÷¹°¼± »óÀÇ Á¡À» ÀÛµµÇ϶ó.(With a directrix and a focus when a ray starting from the focus is given, draw a point on the ray passing the parabola.) : https://goo.gl/sWMgGz   gif : https://goo.gl/ejHH6Q  ggb problem : http://me2.do/GOsLIjJE  GeogebraTube : https://ggbm.at/w2M3UVdm 

20150415 : Áؼ±°ú ÃÊÁ¡ÀÌ ÀÖ°í, Áؼ± »óÀÇ ÇÑ Á¡À» Áö³ª´Â ¼öÁ÷¼±ÀÌ ÀÖÀ» ¶§, ±× ¼öÁ÷¼±°ú ¸¸³ª´Â Æ÷¹°¼± »óÀÇ Á¡À» ÀÛµµÇ϶ó.(With a directrix and a focus when a perpendicular line passing a point on the directrix is given, draw a point on the perpendicular line passing the parabola.) : https://goo.gl/sKXMpA gif : https://goo.gl/D59np1 YouTube : https://youtu.be/kPBnqpFUet8  GeogebraTube : https://ggbm.at/tVjm9QJt  ggb problem : http://me2.do/G2X6all7 AlgeoMath : http://me2.do/xwvtTT79  

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20150330 : ÇÔ¼öÀÇ È®´ë Ãà¼Ò : http://me2.do/Gov0JVjH

20150329 : ÇÔ¼öÀÇ x=a¿¡ ´ëĪÀ̵¿(Reflection about x=a of a function) : http://me2.do/FUDvjdlV

20150329 : ÇÔ¼öÀÇ x=0¿¡ ´ëĪÀ̵¿(Reflection about x=0 of a function) : http://me2.do/577E34NW

20150329 : ÇÔ¼öÀÇ y=b¿¡ ´ëĪÀ̵¿(Reflection about y=b of a function) : http://me2.do/50TwbzD3

20150329 : ÇÔ¼öÀÇ y=0¿¡ ´ëĪÀ̵¿(Reflection about y=0 of a function) : http://me2.do/GV56rLse

20150329 : Á¡ÀÇ (a,b)¿¡ ´ëĪÀ̵¿(Reflection in (a,b) of a point) : http://me2.do/5DWVx6JK

20150329 : Á¡ÀÇ y=b¿¡ ´ëĪÀ̵¿(Reflection about y=b of a point) : http://me2.do/GPabL6cO

20150329 : Á¡ÀÇ x=a¿¡ ´ëĪÀ̵¿(Reflection about x=a of a point) : http://me2.do/FczDXNzC

20150329 : Á¡ÀÇ ´ëĪÀ̵¿(Reflection of a point) : http://me2.do/GE81EWjK

20150329 : µÎ ¿øÀÇ ±³Á¡À» Áö³ª´Â ¿ø : http://me2.do/F3hGz4Kx

20150328 : µÎ ¿øÀÇ À§Ä¡°ü°è : http://me2.do/xLoXptYd

20150328 : ¾ÆÆú·Î´Ï¿ì½ºÀÇ ¿ø(Circle of Apollonius) : http://me2.do/xsJDaqgo

20150328 : ggb problem : http://me2.do/FDTy9hdP µÎ ¿øÀÇ °øÅë ³»Á¢¼± ÀÛµµÇϱâ(Constructing two circles' inner tangents) : https://goo.gl/vFbzrS GeogebraTube : https://ggbm.at/meKaRJPH

20150328 : µÎ ¿øÀÇ °øÅë ¿ÜÁ¢¼± ÀÛµµÇϱâ(Constructing two circles' outer tangents) : http://me2.do/x6sFqXHu YouTube :  https://youtu.be/mz1WF3zZyL4 GeogebraTube :  https://ggbm.at/eF9QHhr4  ggb problem : http://me2.do/Fec3MGnz

20150323 : µÎ Á¡À» Áö¸§ÀÇ ¾ç ³¡ Á¡À¸·Î ÇÏ´Â ¿øÀÇ ¹æÁ¤½Ä(Equation of a circle given two end points of the diameter) : http://me2.do/Gu8L9M1a

20150322 : µÎ ¿øÀÇ ±³Á¡À» Áö³ª´Â ¿øÀÇ ¹æÁ¤½Ä : http://me2.do/xbCMvWVf

20150322 : ¿øÀ§ÀÇ ÇÑ Á¡¿¡¼­ÀÇ Á¢¼±ÀÇ ¹æÁ¤½Ä(Equation of the tangent line meeting with a given point on the circle) : http://me2.do/xpcJZX8L

20150322 : ±â¿ï±â°¡ ÁÖ¾îÁ³À» ¶§ ¿øÀÇ Á¢¼±ÀÇ ¹æÁ¤½Ä(Equation of the tangent line to a circle given the slope of the line): http://me2.do/x98bHHtg

20150322 : ¿øÀÇ ¹æÁ¤½ÄÀÇ ÀϹÝÇü(Equation of a circle in the general form): http://me2.do/IFRxL9an

20150322 : Á߽ɰú ¹ÝÁö¸§ÀÌ ÁÖ¾îÁø ¿øÀÇ ¹æÁ¤½Ä(Equation of the circle given a centre and a radius) : http://me2.do/GYthh1ro

20150319 : »ï°¢ÇüÀÇ µÎ Áß¼±Àº ¼­·Î¸¦ 2 ´ë 1·Î ³ª´«´Ù : http://me2.do/GZXmbZ0B

20150319 : ¼¼ Á¡¿¡¼­ °Å¸®ÀÇ ÇÕÀÌ ÃÖ¼ÒÀÎ Á¡(Point at which the sum of the distances from the three points is minimum)https://goo.gl/GfziwU  YouTube : https://youtu.be/c9T2oTCF5HU GeogebraTube : https://ggbm.at/w999DEk8   ggb problem : http://me2.do/GPaRAEnj  AlgeoMath : http://me2.do/xewBIEfh

20150319 : ÇÑ Á¡ A, ¹«°ÔÁ᫐ G, ¹ÝÁ÷¼± GB ¹ÝÁ÷¼±, ¹ÝÁ÷¼± GC °¡ ÁÖ¾îÁ³À» ¶§ »ï°¢ÇüÀ» ÀÛµµÇÏ¿©¶ó.(Construct a triangle when given a point A, center of gravity G, ray GB, and ray GC.) : https://goo.gl/umqdUv   YouTube : https://youtu.be/ZmHge7gjjpw  GeogebraTube : https://ggbm.at/G8ZCqNPG ggb problem : http://me2.do/5rO1vL96 AlgeoMath : https://goo.gl/SLMhmp

20150319 : ÇÑ ²ÀÁöÁ¡, ¹«°ÔÁß½É, ¿Ü½ÉÀÌ ÁÖ¾îÁ³À» ¶§ »ï°¢Çü ÀÛµµÇÏ¿©¶ó.(Construct a triangle when given a vertex, center of gravity, and outer diameter.) : https://goo.gl/dAKQFz YouTube : https://youtu.be/wexiuoGhWwY  GeogebraTube : https://ggbm.at/bvSy5YNv ggb problem : http://me2.do/GR7Nj5fm

20150317 : ggb problem : http://me2.do/FoZOCK4a º¼·Ï ´Ù°¢Çü À§Ä¡¿¡ ÀÖ´Â ³× Á¡¿¡¼­ °Å¸®ÀÇ ÇÕÀÌ ÃÖ¼ÒÀÎ Á¡ : http://me2.do/5mAc9jsU

20150313 : y= ax+bÀÇ ±×·¡ÇÁ¿¡¼­ b °¡ ÀÏÁ¤ÇÏ°í a°¡ º¯ÇÒ ¶§(When b is constant and a is changed in y=ax+b) : http://me2.do/GovMFrcA

20150313 : y=ax+b ²ÃÀÇ Á÷¼±ÀÇ ¹æÁ¤½Ä(Equation of a straight line whose form is y=ax+b) : http://me2.do/FCn0SRgi

20150313 : ggb problem : http://me2.do/Gu8OfNCs ÁÖ¾îÁø ¼±ºÐ°ú ÁÖ¾îÁø Á÷¼± »óÀÇ ÇÑ Á¡À¸·Î À̵»ï°¢Çü ÀÛµµÇϱâ(Constructing a isosceles triangle given a line segment and a point of a line) : http://me2.do/FCn0oGNk

20150313 : ggb problem : http://me2.do/FjLgJIRB  ÁÖ¾îÁø ¼±ºÐ°ú ÁÖ¾îÁø Á÷¼± »óÀÇ ÇÑ Á¡À¸·Î Á÷°¢»ï°¢Çü ÀÛµµÇϱâ(Constructing a right triangle given a line segment and a point of a line) : http://me2.do/Fg43uVAD https://ggbm.at/amy7gx5f

20150312 : ¹«°ÔÁ߽ɿ¡¼­ °¢ º¯ÀÇ ÁßÁ¡±îÁö À̸£´Â ¼¼ °Å¸®°¡ ÁÖ¾î Á³À» ¶§ »ï°¢Çü ÀÛµµÇϱâ(Constructing a triangle given the three distances from centroid to each midpoint of side) : https://goo.gl/mMEQLr   ggb problem : http://me2.do/5QKj1Xl3

20150311 : ¹«°ÔÁ߽ɿ¡¼­ °¢ ²ÀÁþÁ¡±îÁö À̸£´Â °Å¸®°¡ ÁÖ¾î Á³À» ¶§ »ï°¢Çü ÀÛµµÇϱâ(Constructing a triangle given the three distances from entroid to each vertex) : http://me2.do/xWm3iKqc GeogebraTube :  https://ggbm.at/amy7gx5f

20150308 : ¼öÁ÷¼± À§ÀÇ µÎ Á¡ »çÀÌÀÇ °Å¸®(The distance between two points on the real line) : http://me2.do/G7JAsutT

20150308 : ¼±ºÐÀÇ ³»ºÐÁ¡°ú ¿ÜºÐÁ¡(The internal division and the external division of a line segment) : http://me2.do/5PhoW3Ek

20150307 : Á÷±³ÁÂÇ¥Æò¸é À§ÀÇ µÎ Á¡ »çÀÌÀÇ °Å¸®(The distance between two points on the Cartesian plane) : http://me2.do/FKPdOvU0

20150224 : 3Â÷¿ø °ø°£¿¡¼­ÀÇ »ï°¢ÇüÀÇ ³ÐÀÌ °ø½Ä(The Area Formula of The Triangle in The Three-Dimensional Space) : http://me2.do/xUzyPXHc

20150211 : °°Àº Á¡À» ½ÃÁ¡À¸·Î ÇÏ´Â µÎ º¤ÅÍ¿¡¼­ ÇÑ º¤ÅÍÀÇ Á¾Á¡À» ½ÃÁ¡À¸·Î ÇÏ°í ´Ù¸¥ º¤ÅÍ¿¡ ¼ö¼±ÀÇ ¹ßÀ» Á¾Á¡À¸·Î ÇÏ´Â º¤ÅÍ(The vector which the initial point is one vector's end point and the end point is the foot of the perpendicular form the end point of one vector to the other vector when there are two vectors having the same initial points.) : http://me2.do/GR7HjjVE

20150130 : µÎ º¤ÅÍÀÇ ½ÃÁ¡°ú Á¾Á¡À» °¢°¢ ¿¬°áÇÑ ¼±ºÐÀ» ÁÖ¾îÁø ºñÀ²·Î ³ª´©´Â Á¡À» °¢°¢ ½ÃÁ¡°ú Á¾Á¡À¸·Î ÇÏ´Â À§Ä¡ º¤ÅÍ(The vector which has the initial point and end point that are made by dividing the segments joining the initial points and the end points of the two given vectors internally in the given ratio respectively.) : http://me2.do/xlJy3P1W

20150114 : cos^2 alpha +cos^2 beta+ cos^2 gamma =2 : http://me2.do/GvoGqzOb

20150105 : °ø°£ÁÂÇ¥ (a Cartesian Coordinate System for a Three-Dimensional Space) : http://me2.do/5zGWRUhP