ÌâÎÄ

¼ÆË㣺 £¨1£©£¨-4a£©?£¨ab2+3a2b-1£©£» £¨2£©£¨ 3 4 x6y2+ 6 5 x3y5-0.9x2y3£©¡Â£¨-0.6xy£©£® £¨3£©£¨a2+3£©£¨a-2£©-a£¨a2-2a-2£© £¨4£©£¨2x-y£©2-4£¨x-y£©£¨x+2y£©£® £¨5£©£¨a+b-1£©2£» £¨6£©[£¨3x+2y£©£¨3x-2y£©-£¨x+2y£©£¨5x-2y£©]¡Â4x£®

ÌâÐÍ£º½â´ðÌâ  ÄѶȣºÖеµ

´ð°¸

£¨1£©Ô­Ê½=-4a?ab2+£¨-4a£©?3a2b+£¨-4a£©?£¨-1£© =-4a2b2-12a3b+4a£® £¨2£©Ô­Ê½= 3 4 x6y2¡Â£¨-0.6xy£©+ 6 5 x3y5¡Â£¨-0.6xy£©+£¨-0.9x2y3£©¡Â£¨-0.6xy£© =- 5 4 x5y-2x2y4+ 3 2 xy2£® £¨3£©Ô­Ê½=a3-2a2+3a-6-a3+2a2+2a =5a-6£® £¨4£©Ô­Ê½=4x2-4xy+y2-4x2-8xy+4xy+8y2 =-8xy+9y2£® £¨5£©Ô­Ê½=[£¨a+b£©-1]2 =£¨a+b£©2-2£¨a+b£©+1 =a2+b2+2ab-2a-2b+1£® £¨6£©[£¨3x+2y£©£¨3x-2y£©-£¨x+2y£©£¨5x-2y£©]¡Â4x =[9x2-4y2-5x2+2xy-10xy+4y2]¡Â4x =£¨4x2-8xy£©¡Â4x =x-2y£®

¾Ýר¼ÒȨÍþ·ÖÎö£¬ÊÔÌâ¡°¼ÆË㣺£¨1£©£¨-4a£©?£¨ab2+3a2b-1£©£»£¨2£©£¨34x6y2+65x3y5-0.9x2y3£©¡Â£¨-0...¡±Ö÷Òª¿¼²éÄã¶Ô  ÕûʽµÄ¼Ó¼õ³Ë³ý»ìºÏÔËËã  µÈ¿¼µãµÄÀí½â¡£¹ØÓÚÕâЩ¿¼µãµÄ¡°µµ°¸¡±ÈçÏ£º

ÕûʽµÄ¼Ó¼õ³Ë³ý»ìºÏÔËËã

¿¼µãÃû³Æ£ºÕûʽµÄ¼Ó¼õ³Ë³ý»ìºÏÔËËã

• ¼Ó·¨¡¢¼õ·¨¡¢³Ë·¨ºÍ³ý·¨£¬Í³³ÆΪËÄÔòÔËËã¡£
  ÆäÖУ¬¼Ó·¨ºÍ¼õ·¨½Ð×öµÚÒ»¼¶ÔËË㣻³Ë·¨ºÍ³ý·¨½Ð×öµÚ¶þ¼¶ÔËËã¡£
  ×¢ÒâÔËËã˳Ðò£¬ÏÈ×ö³Ë·½£¬ÔÙ×ö³Ë³ý£¬×î×ö¼Ó¼õÔËË㣬Èç¹ûÓÐͬÀàÏ¾ÍºÏ²¢Í¬ÀàÏҪÇó½á¹û±ØÐëÊÇ×î¼òÐÎʽ¡£

• »ù±¾ÔËËã˳Ðò£º
  Ö»ÓÐÒ»¼¶ÔËËãʱ£¬´Ó×óµ½ÓÒ¼ÆË㣻
  ÓÐÁ½¼¶ÔËËãʱ£¬Ïȳ˳ý,ºó¼Ó¼õ¡£
  ÓÐÀ¨ºÅʱ£¬ÏÈËãÀ¨ºÅÀïµÄ£»
  Óжà²ãÀ¨ºÅʱ£¬ÏÈËãСÀ¨ºÅÀïµÄ¡£
  ÒªÊÇÓÐƽ·½£¬ÏÈËãƽ·½¡£
  ÔÚ»ìºÏÔËËãÖУ¬ÏÈËãÀ¨ºÅÄÚµÄÊý£¬À¨ºÅ´ÓСµ½´ó£¬È»ºó´Ó¸ß¼¶µ½µÍ¼¶¡£