·¢²¼Ê±¼ä : ÐÇÆÚÎå ÎÄÕÂ(ÍêÕûword°æ)È˽̰æÆßÄ꼶ÊýѧÉϲáÕûʽ»¯¼òÇóÖµ60Ìâ¸üÐÂÍê±Ï¿ªÊ¼ÔĶÁ
×÷Òµ¶ÔÄãÃDz»Êdzͷ££¬Ö»ÊÇΪÁËÄãÃÇÔÚѧϰµÄÌì¿ÕÀïÓµÓÐÒ»¸±¸ü¼áÇ¿µÄ³á°ò£¬·ÉÏè¸üÁÉÀ«µÄÔ¶·½£¡
Õûʽ»¯¼òÇóÖµ£ºÏÈ»¯¼òÔÙÇóÖµ
11??ÏÈ»¯¼ò£¬ÔÙÇóÖµ£¬Çó¶àÏîʽ?a3?2b3??2?ab2?a2b??2?ab2?b3?µÄÖµ£¬ÒÑÖªa = 1£¬b = ¡ª£¬
23??
Çó¶àÏîʽ3a2b?2ab2?4a2b?2ab2?4µÄÖµ£¬ÆäÖÐa??1£¬b?2
Çó¶àÏîʽ?3x2?2y2?
Çó¶àÏîʽ5?x?2x2?4x?x2?3µÄÖµ£¬ÆäÖÐx??2
321x?4y2?4µÄÖµ£¬ÆäÖÐx??1£¬y?2
22×÷Òµ¶ÔÄãÃDz»Êdzͷ££¬Ö»ÊÇΪÁËÄãÃÇÔÚѧϰµÄÌì¿ÕÀïÓµÓÐÒ»¸±¸ü¼áÇ¿µÄ³á°ò£¬·ÉÏè¸üÁÉÀ«µÄÔ¶·½£¡
Õûʽ»¯¼òÇóÖµ£ºÏÈ»¯¼òÔÙÇóÖµ
»¯¼òÇóÖµ£º?a2b?ab?ab2???2a2b?3ab?ab2?£¬ÆäÖÐa?1£¬b??2¡£
ÏÈ»¯¼ò£¬ÔÙÇóÖµ£º5a2?4a2?4?5a?2a2?4?6a£¬ÆäÖÐa??2
ÏÈ»¯¼ò£¬ÔÙÇóÖµ£º2x2?y2?(2y2?3x2)?2(y2?2x2)´íÎó!δÕÒµ½ÒýÓÃÔ´¡££¬ÆäÖÐx??1,y?2
11??1?2?3ÏÈ»¯¼òÔÙÇóÖµ£ºm???m?n2??2?m?n2?£¬ÆäÖÐm??2,n?
323??3??2
×÷Òµ¶ÔÄãÃDz»Êdzͷ££¬Ö»ÊÇΪÁËÄãÃÇÔÚѧϰµÄÌì¿ÕÀïÓµÓÐÒ»¸±¸ü¼áÇ¿µÄ³á°ò£¬·ÉÏè¸üÁÉÀ«µÄÔ¶·½£¡
Õûʽ»¯¼òÇóÖµ£ºÏÈ»¯¼òÔÙÇóÖµ
ÏÈ»¯¼òÔÙÇóÖµ£º3x£5£¨x£2xy2£©£«8£¨x£3xy2£©£¬ÆäÖÐx=4£¬y=£
3 21Çó´úÊýʽ?2x2?[3y2?2(x2?y2)?6]µÄÖµ£¬ÆäÖÐx??1,y??2
2
15(2a+b)2£2(2a+b)£4(2a+b)2+3(2a+b)£¬ÆäÖÐa=£¬b=9
2