Question

So sánh

\(\frac{-11}{3^7.7^3}và\frac{-78}{3^7.7^4}\)

Answer 1

\(11=\frac{77}{7}< \frac{78}{7}\Rightarrow-\frac{11}{3^7\cdot7^3}>-\frac{78}{3^7\cdot7^4}\)

Answer 2

\(\frac{-11}{3^7.7^3}>\frac{-78}{3^7.7^4}\)

Answer 3

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