ÊýѧC72+³ËC52µÈÓÚ210ÊÇʲôÒâ˼£¿
ÊýѧC72 ³ËC52µÈÓÚ210ÊÇʲôÒâ˼?
×éºÏÊýC72µÈÓÚ7¡Á6/(2¡Á1)=21 ×éºÏÊýC52µÈÓÚ5¡Á4/(2¡Á1)=10 ËùÒÔC72¡ÁC52=210
c52ÅÅÁÐ×éºÏµÈÓÚ¶àÉÙ?
ÅÅÁÐ×éºÏC52µÈÓÚC53¡£¾ßÌåÈçÏ£ºCₙᵐ=Cₙⁿ⁻ᵐC₅³=5¡Á4¡Á3/3¡Á2¡Á1=10 C̀...
¹«¿¼¡¶Ðв⡷ÊýÁ¿¹ØÏµÀïÃæµÄ¡°ÐгÌÎÊÌ⡱ÔõÃ´ÆÆ?
2024 ÄêÕÅijÄêÁäÊǹ¤ÁäµÄ 2 ±¶£¬52¡Â2=26£¬ËùÒÔ¹¤ÁäÊÇ 26 Ä꣬2024 ÄêÀîij 36 Ë꣬Àîij 36 Ëê¼õ 26 Äê=10 Ë꣬¸ÕºÃÆ¥Å䣬ѡ C¡£...
Êýѧ»ù´¡ºÜ²î,µ«Êǹ«¿¼²»ÏëÍêÈ«·ÅÆúÊýÁ¿¹ØÏµ,ÔõôÈëÊÖ...
´ð:C72¡£(8 ¸öÆ»¹ûÅųÉÒ»ÅÅ,³ýÁ½Í·Íâ¹²ÓÐ 7 ¸ö¿Õµµ,Ñ¡Ôñ 2 ¸ö¿Õµµ²åÈë) ½«8 ¸öÆ»¹û,·Ö¸ø 3 ¸öСÅóÓÑ,ÿÈËÖÁÉÙ 2 ¸ö,¹²ÓжàÉÙÖÖ·Ö·¨? ´ð:C42¡£(8 ¸öÆ»¹ûÏȸøÃ¿¸öС...
¼ÆËã:C32+C42+C52+¡+C112= - - - (½á¹ûÓÃÊý×Ö×÷´ð).
ÓÉ×éºÏÊýµÄÐÔÖʿɵÃC32+C42+C52+¡+C112=C43+C42+C52+¡+C112-1=C53+C52+¡+C112-1=C63+C62+¡+C112-1=¡=C113+C112-1=C123-1=12¡Á11¡Á103¡Á2¡Á1-1=...
c52ΪʲôµÈÓÚc53
)£¬ÆäÖД!“±íʾ½×³Ë¡£ÌØ±ðµØ£¬´æÔÚÐÔÖÊC??=C???£¬¼´´Ón¸ö²»Í¬ÔªËØÖÐÈ¡³öm¸öÔªËØµÄ×éºÏÊýµÈÓÚ´Ón¸ö²»Í¬ÔªËØÖÐÈ¡³ö¸öÔªËØµÄ×éºÏÊý¡£C?2ºÍC?3µÄ¼ÆËã...
C32+C42+C52+¡+C192= - - - .
C32+C42+C52+¡+C192=(C33+C32)+C42+C52+¡+C192-C33=(C34+C42)+C52+¡+C192-1=(C35+C52)+¡+C192-1=C36+¡+C192-1=¡=C319+C192-1=C320-1=...
×éºÏc52ÊÇʲôÒâ˼
×éºÏ c52 ÊÇÖ¸ÔÚÒ»¸±ÆË¿ËÅÆÖÐÈÎÒâÑ¡³ö52ÕÅÅÆ²¢½øÐÐÅÅÁÐ×éºÏµÄ²Ù×÷¡£Õâ¸ö²Ù×÷ͨ³£ÓÃÀ´¼ÆËãÆË¿ËÅÆÓÎÏ·ÖлñʤµÄ¸ÅÂÊ£¬»òÕßÓÃÓÚËæ»ú·ÖÅäÈÎÎñ¡¢Ñ¡¾Ù»ò³é½±µÈ³¡¾°¡£¶ÔÓÚ×éºÏ c52...
CÓïÑÔÖеÄ7||52ÊÇɶÒâ˼,µÈÓÚ¶àÉÙ¡£Çó½á¹û?
×ܵÄÀ´Ëµ£¬¾ÍÊÇÔÚÈõBooleanÓïÑÔ£¬n1 | n2,n1ºÍn2¾ù²»Îª0£¬¾Í·µ»Øn1(C++ÊǸöÀýÍ⣬ËûÀíÂÛÉÏ·µ»ØÁËtrue£¬±íÃæÊÇÊǸö1£¬ÀíÂÛÉÏ·µ»ØBoolean)...