Ex: 8 doar b trebuie calculat. Va rog frumos ajutați-mă !!

[tex](2^{38}:2^{10} +6^{23}:6^{13} ): [2^{10}*3^{10}+(2^{14})^{2}]=\\ \\=(2^{28}+6^{10}):[(2*3)^{10}+2^{28}]=\\\\=(2^{28}+6^{10}):(6^{10}+2^{28})=\\\\=1[/tex]