Question

so sánh: abab/cdcd và ababab/cdcdcd

Answer 1

Ta co :

\(\frac{abab}{cdcd}\) va \(\frac{ababab}{cdcdcd}\)

\(\Rightarrow\frac{abab}{cdcd}=\frac{ab}{cd}\)

\(\Rightarrow\frac{ababab}{cdcdcd}=\frac{ab}{cd}\)

Ta thay :\(\frac{ab}{cd}=\frac{ab}{cd}\)

Vay :\(\frac{abab}{cdcd}=\frac{ababab}{cdcdcd}\)

cấm ai đc copy bài tớ

Answer 2

Ta co :

\frac{abab}{cdcd}cdcdabab​ va \frac{ababab}{cdcdcd}cdcdcdababab​

\Rightarrow\frac{abab}{cdcd}=\frac{ab}{cd}⇒cdcdabab​=cdab​

\Rightarrow\frac{ababab}{cdcdcd}=\frac{ab}{cd}⇒cdcdcdababab​=cdab​

Ta thay :\frac{ab}{cd}=\frac{ab}{cd}cdab​=cdab​

Vay :\frac{abab}{cdcd}=\frac{ababab}{cdcdcd}cdcdabab​=cdcdcdababab​