a)3^10:3^6-2^3.2^2=49
b)(3.4^2.2^7)^2:(3^2.2^20)=4
c)(2^9.3+2^9.5):2^12=117
d)24^4:3^4-32^12:16^12=4096-3^20:16^12
e)(2^9.3+2^9.5):2^12=1
f)(2^4.5^2.11^1.7):(2^3.5^3.7^11)=22/35
g)(2^10.3^10-2^10.3^9):(2.3^10)=4/3
i)(5^11.7^12+5^11.7^11):(5^12.7^11+9.5^11.7^11)=4/7
Hãy giúp mọi người biết câu trả lời này thế nào?