��.608 �� 9 �� (��) (��)

�� #1

$�� 608. � �� (��) �� :�) {2x-3y=8, xy+12=0}; �) {y-x^2+x=0, y+x^2+3=0};�) {(x-y)(x+y)=0, x^2+y^2=4}; �)...$

�� , ��, �� 9 ��, ��:

608. � �� (��) �� :

�) {2x-3y=8, xy+12=0}; �) {y-x^2+x=0, y+x^2+3=0};

�) {(x-y)(x+y)=0, x^2+y^2=4}; �) {(y-x^2)(y-2x)=0, y+x+1=0}.

*�� .

(�� )

(�� )

*�� , ��