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a) (3^6)^7:3^2:3^41-5^2
b) (2^3)^2.2^9.2:2^12-4^2 =
c) |(2^2)^3]^3 :(2^3)^5 =
d) 5^6.(5^3)4:5^16-4^2 =
e) 4^3(4^5)^4: (4^3)^7-2^4 =​