Упрости выражения. 1) \cfrac{a^2+4}{a^2-4a+4}+\cfrac{a+2}{a-2}=\cfrac{a^2+4}{(a-2)^2}+\cfrac{a+2}{a-2}= . 2) \cfrac{6c+15}{36c^2-1}-\cfrac{3c+4}{18c^2+3c}=\cfrac{6c+15}{(6c-1)(6c+1)} - = . 3) \cfrac{2}{3x}-\cfrac{6x+32}{64-9x^2}-\cfrac{4}{3x-8}=\cfrac{2}{3x} - -\cfrac{4}{3x-8}= . 4) \cfrac{m}{m+3}-1-\cfrac{15-m}{m^2-9}= . 5) a^2-6a+36-\cfrac{a^3-216}{a+6}= . 6) \cfrac{2}{(2b-5)^2}-\cfrac{3}{(2b+5)^2}+\cfrac{1}{4b^2-25}= .
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Упрости выражения.

  1. \(\cfrac{a^2+4}{a^2-4a+4}+\cfrac{a+2}{a-2}=\cfrac{a^2+4}{(a-2)^2}+\cfrac{a+2}{a-2}=\) [ ].

  2. \(\cfrac{6c+15}{36c^2-1}-\cfrac{3c+4}{18c^2+3c}=\cfrac{6c+15}{(6c-1)(6c+1)}\) \(-\) [ ] \(=\) [ ].

  3. \(\cfrac{2}{3x}-\cfrac{6x+32}{64-9x^2}-\cfrac{4}{3x-8}=\cfrac{2}{3x}\) \(-\) [ ] \(-\cfrac{4}{3x-8}=\) [ ].

  4. \(\cfrac{m}{m+3}-1-\cfrac{15-m}{m^2-9}=\) [ ].

  5. \(a^2-6a+36-\cfrac{a^3-216}{a+6}=\) [ ].

  6. \(\cfrac{2}{(2b-5)^2}-\cfrac{3}{(2b+5)^2}+\cfrac{1}{4b^2-25}=\) [ ].

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