Question

Đề bài: So sánh các số hữu tỉ sau:

a)\(\dfrac{-13}{40}và\dfrac{12}{-40}\)

b)\(\dfrac{-5}{6}và\dfrac{-91}{104}\)

c)\(\dfrac{-15}{21}và\dfrac{-36}{44}\)

d)\(\dfrac{-16}{30}và\dfrac{-35}{84}\)

e)\(\dfrac{-5}{91}và\dfrac{-501}{9191}\)

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

giúp mik nha!!!

 

 

 

 

Answer 1

a: \(\dfrac{-13}{40}< \dfrac{-12}{40}\)

\(\dfrac{-5}{6}>\dfrac{-91}{104}\)

Answer 2

Sao bn giống BT mình thế ?:)