\(a,=\dfrac{2^{12}\cdot3^4\cdot3^{10}}{3^{12}\cdot2^{12}}=3^2=9\\ b,=\dfrac{3^2\cdot7^2\cdot2\cdot7\cdot5^3}{5^3\cdot7^3\cdot2\cdot3}=3\\ c,=\dfrac{3^6\cdot5^3\cdot2^8\cdot5^4\cdot2^2\cdot3^4}{2^{10}\cdot3^{10}\cdot5^5}=5^2=25\\ d,=\dfrac{2^5\left(2^8+1\right)}{2^2\left(2^8+1\right)}=\dfrac{2^5}{2^2}=2^3=8\)
a,=212⋅34⋅310312⋅212=32=9b,=32⋅72⋅2⋅7⋅5353⋅73⋅2⋅3=3c,=36⋅53⋅28⋅54⋅22⋅34210⋅310⋅55=52=25d,=25(28+1)22(28+1)=2522=23=8