60đ ai vô tl thì nhận, spam thì biến :) k) $\frac{4^{5}.9^{4} – 2. 6^{9}}{2^{10} 3^{8} + 6^{8} . 20}$ 06/07/2021 Bởi Raelynn 60đ ai vô tl thì nhận, spam thì biến 🙂 k) $\frac{4^{5}.9^{4} – 2. 6^{9}}{2^{10} 3^{8} + 6^{8} . 20}$
`\frac{4^{5}.9^{4} – 2. 6^{9}}{2^{10} 3^{8} + 6^{8} . 20}` `=[2^10 .3^8-2 .2^9 .3^9]/[2^10 .3^8 + 2^8 .3^8 .2^2 .5]` `=[2^10 .3^8- 2^10 .3^9]/[2^10 .3^8 + 2^10 .3^8 .5]` `=[2^10 .3^8(1-3)]/[2^10 .3^8(1+5)]` `=[-2]/[6]` `=[-1]/[3]` Bình luận
`\frac{4^{5}.9^{4} – 2. 6^{9}}{2^{10} 3^{8} + 6^{8} . 20}`
`=[2^10 .3^8-2 .2^9 .3^9]/[2^10 .3^8 + 2^8 .3^8 .2^2 .5]`
`=[2^10 .3^8- 2^10 .3^9]/[2^10 .3^8 + 2^10 .3^8 .5]`
`=[2^10 .3^8(1-3)]/[2^10 .3^8(1+5)]`
`=[-2]/[6]`
`=[-1]/[3]`
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