CEVAP Nedir??
$$\left(\frac{2^a}{2^{b+1}}+\frac{2^b}{2^{a+1}}\right):\frac{1+2^{2a}}{2^{a+b}}$$
$$\left(\frac{2^{2a}+2^{2b}}{2^{a+b+1}}\right).\frac{2^{a+b}}{1+2^a}$$
$$\frac{2^{2a}+2^{2b}}{2}.\frac{1}{1+2^a}$$