Znn3bq.jpeg
²é¿´: 1453  |  »Ø¸´: 13
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

Ò»¿ÅºËÌÒ

Òø³æ (ÕýʽдÊÖ)

[ÇóÖú] Õâ¸öÎÊÌâÔõô½â ÒÑÓÐ3È˲ÎÓë

ÓÃÎå¸ö´óд×Öĸ£¨Ëæ»ú£©À´ÃüÃû1000ƪÎÄÏ×£¬Ãû×ÖÖØ¸´µÄ¸ÅÂÊÓжà´ó£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ò»¿ÅºËÌÒ

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by annydream at 2014-05-27 19:31:46
ÓÃ5¸ö´óд×Öĸ£¨Ëæ»ú£©ÃüÃûµÄËùÓв»Í¬ÃüÃû¸öÊýΪ£º26*26*26*26*26=11881376£»
1000ƪÎÄÏ×ÖУ¬Ãû×ÖÖØ¸´µÄ¸ÅÂÊΪ£º
P=1-A£¨11881376,1000£©/£¨11881376^1000£©=£¿
PS£º1¡¢»ùÊýÌ«´óÁË£¬µçÄÔÉÏÔÝʱûÓÐÏà¹ØÈí¼þ¿ÉÒÔ¼Æ ...

ÊÇÕâÑù×öµÄ£¬ÄÜÓÃË¹ÌØÁÖ¹«Ê½½üËÆ¼ò»¯½×³Ë£¬µ«»¹ÊÇËã²»³öÀ´£¬²»ÖªµÀÔõô½øÒ»²½¼ò»¯¡£¾ÍÊÇÄÜÇó³ö¸ö·¶Î§Ò²ºÃ°¡£¡
4Â¥2014-05-27 20:19:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 14 ¸ö»Ø´ð

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
5^5=3125;
P=1-3125/3125*3124/3125*3123/3125*¡­¡­*2126/3125=1-0=1
2Â¥2014-05-27 16:56:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

annydream

Òø³æ (³õÈëÎÄ̳)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÓÃ5¸ö´óд×Öĸ£¨Ëæ»ú£©ÃüÃûµÄËùÓв»Í¬ÃüÃû¸öÊýΪ£º26*26*26*26*26=11881376£»
1000ƪÎÄÏ×ÖУ¬Ãû×ÖÖØ¸´µÄ¸ÅÂÊΪ£º
P=1-A£¨11881376,1000£©/£¨11881376^1000£©=£¿
PS£º1¡¢»ùÊýÌ«´óÁË£¬µçÄÔÉÏÔÝʱûÓÐÏà¹ØÈí¼þ¿ÉÒÔ¼ÆË㣻2¡¢A£¨11881376,1000£©ÎªÅÅÁмÆËã¡£
3Â¥2014-05-27 19:31:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Ò»¿ÅºËÌÒ

Òø³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by feixiaolin at 2014-05-27 16:56:20
5^5=3125;
P=1-3125/3125*3124/3125*3123/3125*¡­¡­*2126/3125=1-0=1

ÿ¸ö×Öĸ¿ÉÒÔ´ÓÈ«²¿Ó¢ÎÄ×ÖĸÖÐÈÎÒâÑ¡¡£
5Â¥2014-05-27 20:22:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁϹ¤³Ì281»¹Óе÷¼Á»ú»áÂð +29 xaw. 2026-04-11 30/1500 2026-04-13 00:20 by 1005715100
[¿¼ÑÐ] ʳƷÓëÓªÑø£¨0955£©271Çóµ÷¼Á +7 Éý¸ñ°¢´ï 2026-04-12 7/350 2026-04-12 22:56 by yuyin1233
[¿¼ÑÐ] 0856ר˶Çóµ÷¼Á Ï£ÍûÊÇaÇøÔºÐ£ +22 ºÃºÃÐÝÏ¢ºÃ²»ºÃ 2026-04-09 25/1250 2026-04-12 17:09 by ajpv·çÀ×
[¿¼ÑÐ] 298Çóµ÷¼Á +5 ²ÐºÉÐÂÁø 2026-04-07 5/250 2026-04-11 11:02 by ×ÏêØ×ÏÆå
[¿¼ÑÐ] 087100³õÊÔ311Çóµ÷¼Á +4 ÈÎÑÅÇÙ 2026-04-09 4/200 2026-04-11 10:33 by zhq0425
[¿¼ÑÐ] 297Çóµ÷¼Á +9 Kwgyz 2026-04-09 9/450 2026-04-11 10:09 by zhq0425
[¿¼ÑÐ] ÖÐҩѧµ÷¼Á ³õÊÔ324 +4 Ñó¸Ê¾Õ¡¢ 2026-04-10 6/300 2026-04-11 09:41 by gong120082
[¿¼ÑÐ] ÉúÎïѧ308Çóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +6 ÏàÐűػá¹ââÍòÕ 2026-04-10 6/300 2026-04-11 05:23 by zhuwenxu
[²ÄÁϹ¤³Ì] ²ÄÁϵ÷¼ÁÍÆ¼ö +8 µ°¸âx2 2026-04-07 8/400 2026-04-10 23:13 by Ftglcn90
[¿¼ÑÐ] ÖпÆÔº×Ü·Ö315Çóµ÷¼Á +8 lallalh 2026-04-09 8/400 2026-04-10 19:30 by dick_runner
[ÂÛÎÄͶ¸å] mdpiСÐÞrvrʱ¼äËÄÎåÌìÁË 20+3 ¹þ¹þhigh 2026-04-08 5/250 2026-04-10 16:02 by ±±¾©À³ÒðÈóÉ«
[¿¼²©] ²©Ê¿×Ô¼ö +7 ¿É¿ÉСÅÖ 2026-04-08 7/350 2026-04-10 08:28 by kimhero
[¿¼ÑÐ] ¿¼Ñе÷¼Á-²ÄÁÏÀà-284 +28 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 28/1400 2026-04-09 20:08 by µ¹Êý321?
[¿¼ÑÐ] ²ÄÁÏ299ר˶Çóµ÷¼Á +10 +21 2026-04-09 10/500 2026-04-09 17:34 by 1753564080
[¿¼ÑÐ] 086004 Çóµ÷¼Á 309 +7 Yin DY 2026-04-08 7/350 2026-04-09 13:59 by Delta2012
[¿¼ÑÐ] ²ÄÁϹ¤³Ì322 +18 ¹þ¹þ¹þºðºðºð¹þ 2026-04-07 19/950 2026-04-09 10:44 by cymywx
[¿¼ÑÐ] 327Çóµ÷¼Á +12 Xxjc1107. 2026-04-06 12/600 2026-04-08 16:46 by luoyongfeng
[¿¼ÑÐ] 275 Çóµ÷¼Á +8 Lei812514 2026-04-07 8/400 2026-04-08 12:46 by chemisry
[¿¼ÑÐ] 277Çóµ÷¼Á +4 ¿¼Ñе÷¼Álxh 2026-04-06 6/300 2026-04-08 10:40 by ÄæË®³Ë·ç
[¿¼ÑÐ] µ÷¼ÁÇóÖú£¨ÉúÎïÓëÒ½Ò©£© +6 @6952 2026-04-06 6/300 2026-04-07 23:52 by lys0704
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û