ÌâÄ¿ÄÚÈÝ
xȡʲôֵʱ£¬
ÓÐÒâÒå
- A.x£¾-4
- B.x£¼-4
- C.x¡Ý-4
- D.x¡Ü-4
C
·ÖÎö£º¸ù¾Ý¶þ´Î¸ùʽÓÐÒâÒåµÄÌõ¼þ¿ÉµÃ4+x¡Ý0£¬ÔٽⲻµÈʽ¼´¿É£®
½â´ð£ºÓÉÌâÒâµÃ£º4+x¡Ý0£¬
½âµÃx¡Ý-4£®
¹ÊÑ¡£ºC£®
µãÆÀ£º´ËÌâÖ÷Òª¿¼²éÁ˶þ´Î¸ùʽÓÐÒâÒåµÄÌõ¼þ£¬¹Ø¼üÊÇÕÆÎÕ¶þ´Î¸ùʽÖеı»¿ª·½ÊýÊǷǸºÊý£®
·ÖÎö£º¸ù¾Ý¶þ´Î¸ùʽÓÐÒâÒåµÄÌõ¼þ¿ÉµÃ4+x¡Ý0£¬ÔٽⲻµÈʽ¼´¿É£®
½â´ð£ºÓÉÌâÒâµÃ£º4+x¡Ý0£¬
½âµÃx¡Ý-4£®
¹ÊÑ¡£ºC£®
µãÆÀ£º´ËÌâÖ÷Òª¿¼²éÁ˶þ´Î¸ùʽÓÐÒâÒåµÄÌõ¼þ£¬¹Ø¼üÊÇÕÆÎÕ¶þ´Î¸ùʽÖеı»¿ª·½ÊýÊǷǸºÊý£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿