[tex][3^2*3^3+2^{54}:2^{52}+(3^5)^4:3^{20}]:31= (3^5+2^2+3^{20}:3^{20}):31=(243+4+1):31= 248:31=8[/tex]
[tex][3^{48}:3^{18}+(2^4)^5+6^{23}:6^{13}] :[(3^5)^2*(2^2)^5+3^{17}*3^{13}+(2^5)^4]= (3^{30}+2^{20}+6^{10}) :(3^{10}*2^{10}+3^{30}+2^{20})= (3^{30}+2^{20}+6^{10}) :(6^{10}+3^{30}+2^{20})= 1[/tex]