ÌâÄ¿ÄÚÈÝ

10£®ÔĶÁÏÂÁÐÒòʽ·Ö½âµÄ¹ý³Ì£¬»Ø´ðËùÌá³öµÄÎÊÌ⣮
a+1+a£¨a+1£©+a£¨a+1£©2
=£¨a+1£©•1+£¨a+1£©•a+£¨a+1£©2•a
=£¨a+1£©[1+a+£¨a+1£©•a]
=£¨a+1£©[£¨a+1£©•1+£¨a+1£©•a]
=£¨a+1£©[£¨a+1£©£¨a+1£©]
=£¨a+1£©3
£¨1£©ÉÏÊö·Ö½âÒòʽµÄ·½·¨ÊÇÌṫÒòʽ·¨£¬¹²Ó¦ÓÃÁË2´Î£®
£¨2£©ÈôÒòʽ·Ö½âa+1+a£¨a+1£©+a£¨a+1£©2+¡­+a£¨a+1£©2016£¬ÔòÐèÓ¦ÓÃÉÏÊö·½·¨2016´Î£¬·Ö½âÒòʽºóµÄ½á¹ûÊÇ£¨a+1£©2017£®
£¨3£©ÇëÓÃÉÏÊö·½·¨·Ö½âÒòʽ£ºa+1+a£¨a+1£©+a£¨a+1£©2+¡­+a£¨a+1£©n£®

·ÖÎö £¨1£©£¨2£©ÓÉÌâÒâ¿ÉÖª£ºÌáÈ¡¹«ÒòÊýµÄ´ÎÊýÓë×îºóÒ»¸ö¹«ÒòʽµÄÖ¸ÊýÏàµÈ£¬½á¹ûµÄÖ¸ÊýÊÇ×îºóÒ»¸ö¹«ÒòʽµÄÖ¸Êý¼Ó1£¬Óɴ˵óö´ð°¸¼´¿É£»
£¨3£©ÀûÓõóöµÄ¹æÂɵóö´ð°¸¼´¿É£®

½â´ð ½â£º£¨1£©ÉÏÊö·Ö½âÒòʽµÄ·½·¨ÊÇÌṫÒòʽ·¨£¬¹²Ó¦ÓÃÁË2´Î£®

£¨2£©ÐèÓ¦ÓÃÉÏÊö·½·¨2016´Î£¬½á¹ûÊÇ£¨a+1£©2017£®

£¨3£©a+1+a£¨a+1£©+a£¨a+1£©2+¡­+a£¨a+1£©n
=£¨a+1£©2+a£¨a+1£©2+¡­+a£¨a+1£©n
=£¨a+1£©3+a£¨a+1£©3+¡­+a£¨a+1£©n
=£¨a+1£©n+a£¨a+1£©n
=£¨a+1£©n+1£®

µãÆÀ ±¾Ì⿼²éÁËÌṫÒòʽ·¨·Ö½âÒòʽµÄÍÆ¹ã£¬ÒªÈÏÕæ¹Û²ìÒÑÖªËù¸øµÄ¹ý³Ì£¬ÅªÇåÿһ²½µÄÀíÓÉ£¬¾Í¿É½øÒ»²½Íƹ㣮

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø