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�� #1 (�� 2025)

�� :�) (a^3 b^4 c)/(ab^2 c); �) (12x^2 yz^5)/(18xy^2 z^5 ); �) (a + b)/((a - b)(a + b)); �) (x - y)^2/((x - y)(x + y)); �) (2a - 4)/(a(a - 2));...

�� #2 (�� 2019)

�� :�) (a^3 b^4 c)/(ab^2 c); �) (12x^2 yz^5)/(18xy^2 z^5 ); �) (a + b)/((a - b)(a + b)); �) (x - y)^2/((x - y)(x + y)); �) (2a - 4)/(a(a - 2));...

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�) 11/30 + 3/5;

�) 7/9 - 13/36;

�) 3/7 - 5/8;

�) 2/9 + 1/8;

�) 7/30 - 5/36;

�) 5/18 + 11/24.

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�) (a^3 b^4 c)/(ab^2 c);

�) (12x^2 yz^5)/(18xy^2 z^5 );

�) (a + b)/((a - b)(a + b));

�) (x - y)^2/((x - y)(x + y));

�) (2a - 4)/(a(a - 2));

�) (3y + 9)/((y - 3)(y + 3)).

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