Đáp án:`G=27/1927`
Giải thích các bước giải:
`G=(2^{12}.3^{5}-4^{6}.9^{2})/((2^{2}.3)^{6}+8^{4}.5^5)`
`G=(2^{12}.3^{5}-(2^{2})^{6}.(3^{2})^{2})/((2^{2})^{6}.3^{6}+(2^{3})^{4}.5^{5})`
`G=(2^{12}.3^{5}-2^{12}.3^{4})/(2^{12}.3^{6}+2^{12}.5^5)`
`G=(2^{12}.3^{4}.(3-1))/(2^{12}.(3^6+5^5))`
`G=(3^{4}.2)/(3^6+5^5)`
`G=(27.2)/(729+3125)`
`G=54/3854`
`G=27/1927`