��.12.9 �� 8 �� (��)

�� #1 (�� 2025)

�� :�) 3/2k = ___/18km; �) 1/4xz = ___/(24x^2 z); �) (15xy^3)/(90x^2 y) = ___/6x; �) 80ab/(48a^3 b^2) = ___/(3a^2 b); �)...

�� #2 (�� 2019)

�� :�) 3/2k = ___/18km; �) 1/4xz = ___/(24x^2 z); �) (15xy^3)/(90x^2 y) = ___/6x; �) 80ab/(48a^3 b^2) = ___/(3a^2 b); �)...

��...

�� , ��, �� 8 ��, ��:

�� :

�) y = (x^3-3x^2)/(x-3); �) y = (x^4-9x^2)/(x^2-9); �) y = (x^4-2x^3+x^2)/((x-1)^2);

�) y = (-x^3-2x^2)/(x+2); �) y = (4x^2-x^4)/(x^2-4); �) y = (x^4+6x^3-9x^2)/((x+3)^2).

�� :

�) 3/2k = ___/18km;

�) 1/4xz = ___/(24x^2 z);

�) (15xy^3)/(90x^2 y) = ___/6x;

�) 80ab/(48a^3 b^2) = ___/(3a^2 b);

�) (60ax^2)/(36a^2 x) = ___/3az;

�) (54a^4 y^2)/(72a^5 y) = ___/12ab.

*�� .

��

��

�� 8 ��

��

(�� )

��

��, ��, ��

��

��

��, ��, ��

��

��

*� ��, �� .