(4^6 . 9^5 + 6^9 x 120) / (-8^4 x 3^12 – 6^11) 11/08/2021 Bởi Maria (4^6 . 9^5 + 6^9 x 120) / (-8^4 x 3^12 – 6^11)
`=` $\dfrac{(2^2)^6 . (3^2)^5 + (2.3)^9 . 3 . 5 . 2^3}{(2^3)^4 . 3^12 – (2.3)^11}$ `=` $\dfrac{2^12 . 3^10 + 2^9 . 3^9 . 3 . 5 . 2^3}{2^12 . 3^12 – 2^11 . 3^11}$ `=` $\dfrac{2^12 . 3^10 + 2^12 . 3^10 . 5}{2^11 . 2 . 3^11 . 3 – 2^11 . 3^11}$ `=` $\dfrac{2^12 . 3^10.(1+5)}{2^11.3^11 . (6-1)}$ `=` $\dfrac{2^12 . 3^10.6}{2^11 . 3^11 . 5}$ Bình luận
`=` $\dfrac{(2^2)^6 . (3^2)^5 + (2.3)^9 . 3 . 5 . 2^3}{(2^3)^4 . 3^12 – (2.3)^11}$
`=` $\dfrac{2^12 . 3^10 + 2^9 . 3^9 . 3 . 5 . 2^3}{2^12 . 3^12 – 2^11 . 3^11}$
`=` $\dfrac{2^12 . 3^10 + 2^12 . 3^10 . 5}{2^11 . 2 . 3^11 . 3 – 2^11 . 3^11}$
`=` $\dfrac{2^12 . 3^10.(1+5)}{2^11.3^11 . (6-1)}$
`=` $\dfrac{2^12 . 3^10.6}{2^11 . 3^11 . 5}$