��.1038 �� 9 �� (��) (��)

�� #1

$�� 1038. �� :�) {(x^(1/4)-y^(1/4))(vx-vy)=16, (x^(1/4)+y^(1/4))(vx+vy)=40};�) {x+y+vx+vy=32, 12(vx+vy)=7v(xy)};�) {v(y/x)-2v(x/y)=1,...$

�� , ��, �� 9 ��, ��:

1038. �� :

�) {(x^(1/4)-y^(1/4))(vx-vy)=16, (x^(1/4)+y^(1/4))(vx+vy)=40};

�) {x+y+vx+vy=32, 12(vx+vy)=7v(xy)};

�) {v(y/x)-2v(x/y)=1, v(5x+y)+v(5x-y)=4};

�) {(x+y)^(1/4)-(x-y)^(1/4)=2, v(x+y)-v(x-y)=8}.

*�� .

(��)

(��)

(�� )

*�� , ��