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�� 488 �) 2(x+y)/4ax;�) (a+b)/(x+b);�) 2(x-1)/5(x-1);�) 3a(a-b)2/6a(a-b)2;�) 4x(x-y)3/16x2y(x-y);�) 25m2n(a-b)/(35mn2(a-b)2; �)...

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488 �) 2(x+y)/4ax;

�) (a+b)/(x+b);

�) 2(x-1)/5(x-1);

�) 3a(a-b)2/6a(a-b)2;

�) 4x(x-y)3/16x2y(x-y);

�) 25m2n(a-b)/(35mn2(a-b)2;

�) 2p(p-q)(p2+q2)/4q(p-q)(p2+q2);

�) 8a(a+b)2(a-b)/18(a-b)(a+b).

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