ÌâÎÄ

¼ÆËãÏÂÁи÷Ì⣺ £¨1£©£¨-4 1 2 £©+£¨+5 1 2 £©+£¨+4.5£© £¨2£©18-8¡Â£¨-2£©+4¡Á£¨-5£© £¨3£©-12¡Á2+£¨-2£©3¡Â4-£¨-3£© £¨4£©£¨1 3 4 - 5 6 -1 5 12 £©¡Â(- 1 36 )£®

ÌâÐÍ£º½â´ðÌâ  ÄѶȣºÖеµ

´ð°¸

£¨1£©Ô­Ê½=£¨-4.5+4.5£©+5.5 =5.5£» £¨2£©Ô­Ê½=18+4-20 =2£» £¨3£©Ô­Ê½=-1¡Á2-8¡Â4+3 =-2-2+3 =-1£» £¨4£©Ô­Ê½=£¨ 7 4 - 5 6 - 17 12 £©¡Á£¨-36£© =-63+30+51 =18£®

¾Ýר¼ÒȨÍþ·ÖÎö£¬ÊÔÌâ¡°¼ÆËãÏÂÁи÷Ì⣺£¨1£©£¨-412£©+£¨+512£©+£¨+4.5£©£¨2£©18-8¡Â£¨-2£©+4¡Á£¨-5£©£¨3£©-..¡±Ö÷Òª¿¼²éÄã¶Ô  ÓÐÀíÊýµÄ»ìºÏÔËËã  µÈ¿¼µãµÄÀí½â¡£¹ØÓÚÕâЩ¿¼µãµÄ¡°µµ°¸¡±ÈçÏ£º

ÓÐÀíÊýµÄ»ìºÏÔËËã

¿¼µãÃû³Æ£ºÓÐÀíÊýµÄ»ìºÏÔËËã

• ÓÐÀíÊýµÄ»ìºÏÔËË㣺
  ÊÇÒ»¸öÔËËãʽ×ÓÖÐÓмÓÓмõÓгËÓгýÓдη½µÈÔËË㷽ʽµÄ»ìºÏÔËË㷽ʽ¡£

• ÓÐÀíÊý»ìºÏÔËËãµÄ¹æÂÉ£º
  £¨1£©Ïȳ˷½£¬Ôٳ˳ý£¬×îºó¼Ó¼õ£»
  £¨2£©Í¬¼¶ÔËË㣬´Ó×óµ½ÓÒ½øÐУ»
  £¨3£©ÈôÓÐÀ¨ºÅ£¬ÏÈ×öÀ¨ºÅÄÚµÄÔËË㣬°´Ð¡À¨ºÅ¡¢ÖÐÀ¨ºÅ¡¢´óÀ¨ºÅÒÀ´Î½øÐмÆËã¡£