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etta
IP Address:
[ 218.184.22.129 ] |
µoªí©ó: 2001/12/10 ¤U¤È 11:46:48
½Ð°Ýtªº¦¸¤è¬O¤°»ò·N«ä? ¤ñ¤è10ªºt2¦¸¤è¬O¦h¤Ö? 10ªºt24¦¸¤è¤Sn«ç»òºâ?
¨Ãä¹ê¦b¨S¦³ª¾¹Dªº¤H,ª¾¹Dªº¤H½ÐÀ°§Ú¸Ñµª¤@¤U,±H¨ì§Úªº«H½c¦n¶Ü? ÁÂÁ¤j®a!!
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Waster
IP Address:
[ 203.198.2.3 ] |
¦^ÂЩó: 2001/12/10 ¤U¤È 11:56:42
a^-n=1/a^n(a¤£µ¥©ó0) 10^-2=0.01 10^-24=0.000......1((¤p¼ÆÂI«á¦@p23Ó0,µM«á1¬O³Ì«áªº¼Æ¦r)
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yani
IP Address:
[ 61.13.245.20 ] |
¦^ÂЩó: 2001/12/11 ¤W¤È 02:28:12
¤@¡B¥Ñ©ó(2^3)*(2^5)=(2*2*2)*(2*2*2*2*2)=2^8 ¦pªG¼Æ¦r¤@¯ë¤Æ(¦ý©³¼Æ¤@¼Ë)«h¦³¡R(a^m)*(a^n)=a^(m+n)¡A m,n¬°¥¿¾ã¼Æ¡C¦ýY¶È¦p¦¹¡A§ÚÌ«K®ö¶O¤F¬ù¤@¥bªº¾ã¼Æ¡R0,-1,-2,-3,-4,-5,............ ¤]´N¬O0©Mt¾ã¼Æ¡C¤Î®ö¶O¤F°£ªk¨S©w¸q¨ì¡C ¤G¡B¼Æ¾Ç©w¸q¬OÀH¤H©wªº¡A¥un¡R1¡B¤£©M¬J¦³ªº©w¸q©Î©w²z¥Ù¬Þ¡C 2¡B¦³»Ýn©Î¦n¥Î¡C 3¡B¤j®a³£±µ¨ü¦Ó²Î¤@¥Î¤§¡C(¤£©M¬J¦³ªº©w¸q©Î©w²z¥Ù¬Þ¬Oµ´¹ï¤@©wnªº¡A¨ä¾l¨âӳ̦n¤] ¦³) Y§ÚÌ©w¸qa^(-n)=1/(a^n)¡A«h(a^m)/(a^n)=(a^m)*[1/(a^n)]=(a^m)*[a^(-n)]=a^(m-n)¡A ¥tYa¤£µ¥©ó0«ha^0=a^(m-m)=(a^m)/(a^m)=1¡A©Ò¥H«D0ªº¼Æ¥¦ªº¹s¦¸¤è=1(0^0µL·N¸q)¡C ¥H¤U°ê¤¤¥Í¥iµy·L¬Ý¤@¤U¡A¤£À´¨SÃö«Y¡A¦]±qµL²z¼Æ³¡¤À¶}©l(ÄY®æ¦a»¡±q¦³²z¼Æ¶}©l)©Ò¦³ ²z½×ªºÄY±KÃÒ©ú¬OÄÝ©ó¤j¾Çªº½Òµ{³¡¥÷¡C ¤T¡B«ü¼Æ«ß±q¥¿¾ã¼ÆÂX¥R¨ì¾ã¼Æ¡Q¦A¨ÓÂX¥R¨ì¦³²z¼Æ(¤À¼Æ)¡R§Q¥Îªº¬O·íx>0«hx^n¦A¶}n¦¸ ¤è®Ú=x¡A¤Sx¶}n¦¸¤è®Ú¦An¦¸¤è=x¡C ¦AÂX¥R¨ìµL²z¼Æ(¦b¦¹x¤]¥²¶·¤j©ó0¤~¥i¥H)¡R§Q¥Î¦³²z¼Æ»PµL²z¼Æªº¸Y±K©Ê¡A¥Î¦³²z¼Æ¨Ó¹G ªñµL²z¼Æ¦Ó±oªº©Ê½è¡C ¬Æ¦ÜÂX¥R¨ì½Æ¼Æ. ¥H¤WªºÂX¥R¡A¼Æ¾Ç®a³£«Ü¤p¤ß¦aÅçÃÒ¬O¤£¬O·|ÊïIJ¦¥ý¦³ªº¼Æ¾Ç©w¸q©Î©w²z¡A¤Î¦³¨S¦³»Ýn ¤Î¦n¤£¦n¥Î¡T ¥|¡B«ü¼Æ«ß¡R(a^m)*(a^n)=a^(m+n)¡A(a*b)^m=(a^m)*(b^m) a< >0«ha^(-n)=1/a^n¡Aa^0=1 a>0«ha^(m/n)=(a^m)¶}n¦¸¤è®Ú Ya^x=y«h¥Î°O¸¹(¼Æ¾Ç®a¬O«Ü¸`¬Ùªº¡A¦b¤£·|²V²c¤U¡A±`¬Ù²¤¥i¥H¬Ù²¤ªºªF¦è¡A¦p +3=3,1x=x) ¡Ax=log_a(y)¡A¨ä¤¤_aªí¥Üa¦b¤U¼Ð¡C ³o¼Ë°µ¡A¹ï³W©wªºa(©³¼Æ)½d³ò§ÚÌ¥i¥H ¦b©Ò¦³¹ê¼Æ(x)¦¸¤è°µ¹Bºâ¡A¥H§Q¸Ñ¨M¡R1¡B§Ų́S¦³¥R¥÷§Q¥Î¨ì«ü¼Æ(©Î¥u¥Î¨ì¥¿¾ã¼Æ¦¸¤è) ªº°µªk¡C 2¡B«ü¼Æªº¤Ï¨ç¼Æ¡A¤]´N¬O¹ï¼Æ°ÝÃD¡C{¤Ï¨ç¼Æ´N¦n¹³¦b°ê¤pùØ:3+5=__¡A¨D__¡Q¤Ï ¹L¨Ó°Ý¡R3+¡¼=8,¨D¡¼¡]¡¼=8-3¹ï§a¡^¡C Y±Ny=__¡Ax=¡¼¡A¹ïf(x)=y=3+x¦Ó¨¥¡A(¦b¦¹¬O¥H x=5,y=8Á|¨Ò)¡Af(x)¬O¦³Ãö©óxªº¨ç¼Æ¡A¦Óx¬O¦³Ãö©óf(x)ªº¤Ï¨ç¼Æ}
Á¿¨º»ò¦h¡A¥ýª¾¹D¡R¨Ò¦p¡R5^3*5^20=5^23,2^4*3^4=(2*3)^4=6^4,5^(-2)=1/(5^2)[t«ü¼Æ ¥Nªí˼Æ]¡A3^0=1,(0.0038)^0=1,(-2)^0=1,0^0¤£µ¥©ó1(0^0¬OµL·N¸q)´N¦n¤F¡C
¥t¥~¥H¤U¥i¥H¥ý¤£²z·|¡R5^(1/2)=5ªº¥¿¥¤è®Ú¡A 6^(2/3)=(6^2)¶}¥ß¤è®Ú=36¶}¥ß¤è®Ú¡A (0.3)^2=0.09;(0.09)^(1/2)=0.3¡A¦¹¥Ü¥¤è(©Î§ó¦h¦¸¤è)¤£¤@©w·U¨Ó·U¤j¡Q¶}®Ú¸¹¤]¤£¤@ ©w·U¨Ó·U¤p¡A§Y¨Ï¬O¥¿¼Æ¤]¬O¦p¦¹ªº¡A¡C¡C¡C¡C¡C¡C
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yani
IP Address:
[ 203.149.184.144 ] |
¦^ÂЩó: 2001/12/11 ¤W¤È 02:56:31
10ªºtn¦¸¤è=10ªºn¦¸¤è¦A˼Æ=1/(10ªºn¦¸¤è)¡A ¤@¯ë¨Ó»¡¡A¥ô·N¤£¬O0ªº¼Æ¨ätn¦¸¤è=¨än¦¸¤èªºË¼Æ=1/(¨än¦¸¤è) ¤W½gY¦³¬Ý¤£À´¥i¸õ¹L¡A¦]«Ü¦h¶W¥X°ê¤¤½d³ò¡C
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etta
IP Address:
[ 202.178.245.227 ] |
¦^ÂЩó: 2001/12/11 ¤W¤È 10:46:16
ÁÂÁ§AÌ,¤×¨ä¬Oyani,²{¦b§Ú¤w¸g¤F¸Ñ£{.
ps.¨ä¹ê§Ú¤w¸gÂ÷°ê¤¤¥Í«Ü»·«Ü»·£{,©Ò¥H¥u°O±o¦³¾Ç¹L,«o¤£°O±o¤º®e.....
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ÄÑ¥]¶W¤H
IP Address:
[ 203.71.78.2 ] |
¦^ÂЩó: 2001/12/12 ¤W¤È 10:40:14
¦p¦ó§Q¥Î¤û¹y·¥È¶}®Úªk¶}®Ú¡A¶¶«KÃÒ©ú¤@¤U§a
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Rita
IP Address:
[ 61.216.58.227 ] |
¦^ÂЩó: 2001/12/15 ¤W¤È 12:38:31
¤û¹y·¥È¶}®Úªk???¬OÔ£
|
2
IP Address:
[ 203.149.190.90 ] |
¦^ÂЩó: 2001/12/15 ¤W¤È 02:14:40
À³¬O¤û¹y¹Gªñªk§a¡T
|
1989
IP Address:
[ 211.74.64.76 ] |
¦^ÂЩó: 2002/1/29 ¤U¤È 02:32:00
10ªº-2¦¸¤è´N¬O-2¼¤Q¦¸
|
¶Ì¥J¤j®Í
IP Address:
[ 61.18.20.128 ] |
¦^ÂЩó: 2002/1/29 ¤U¤È 05:26:58
½Ð1989¤£n¶Ãµª°ÝÃD
|
DANIEL
IP Address:
[ 61.225.242.175 ] |
¦^ÂЩó: 2002/1/29 ¤U¤È 06:08:22
§Ú¦³¤@ӺðÝ~~a^-n = 1/a^n ¬O¤@ºØ©w¸qÁÙ¶Ü??ÁÙ¬O¥i¥HÃÒ©úªºªF¦è??
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Rita
IP Address:
[ 61.217.6.21 ] |
¦^ÂЩó: 2002/1/29 ¤U¤È 06:16:46
a^(-1)¬OaªºË¼Æ¤Î1/a. ©Ò¥Ha^(-n)=(a^(-1))^n=(1/a)^n=1/(a^n).
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yani
IP Address:
[ 210.244.156.181 ] |
¦^ÂЩó: 2002/1/29 ¤U¤È 06:24:25
To Daniel:¬O©w¸q.
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Rita
IP Address:
[ 61.217.6.21 ] |
¦^ÂЩó: 2002/1/29 ¤U¤È 06:30:09
a^(-1)¬OaªºË¼Æ=1/a.³o¬O©w¸q¡C ¦Ü©óa^(-n)À³¸Ó¬O«ü¼Æ«ßªº¹B¥Î¤F¡C
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¶Ì¥J¤j®Í
IP Address:
[ 61.18.20.128 ] |
¦^ÂЩó: 2002/1/29 ¤U¤È 09:41:19
yani, daniel: ¥i¥H¥Î¨ä¥L©w¸qÃÒ©ú¡G ¤wª¾a^(m-n)=a^m/a^n, ©w¸q a^(m-m)=a^m/a^m=1 =a^0 ©Ò¥Ha^0=1 a^(0-m)=a^0/a^m =1/a^m
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yani
IP Address:
[ 210.244.157.35 ] |
¦^ÂЩó: 2002/1/29 ¤U¤È 10:18:07
¦ba¤£¬°0¤§¤U¡RY©w¸qa^(m-n)=a^m/a^n«ha^(-n)=1/a^n¬O¨ä±À²z(corollary)¡Q¤Ï¤§Ya^(- n)=1/a^n¬O©w¸q«ha^(m-n)=a^m/a^n¬O¨ä±À²z¡C ¦¹ºØ¥i¤¬ÃÒ(µ¥»ù±Ôz)¤§©RÃD¦b¼Æ¾Ç¤W«Ü¦h¡C ¥¦æ¦@³]»P¦P¦ì¨¤¬Ûµ¥»P¤º¿ù¨¤¬Ûµ¥»P¦P°¼¤º¨¤¤¬¸É¡C ¦ý³£±o¥ý¦³¤@Ó°²³](©w¸q©Î¤½³]©Î¤½²z)¬°«e´£¡C¦Ó½Ö·í©w¸q¡A½Ö·í±À²z´N¬Ý½Ö¤ñ¸û¨ã¥Nªí ©Ê(¦¹¤]¦]®É¦]¤H¦]¦a¨î©y)¤F¡C
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