Question

Answer 1

125/155=25/31

135/234=15/26

234/540=13/30

131313/141414=13/14

Answer 2

125/155=25/31

135/234=15/26

234/540=13/30

131313/141414=13/14

Answer 3

Đáp án:

\(\dfrac{125}{155}=\dfrac{125:5}{155:5}=\dfrac{25}{31}\)

\(\dfrac{135}{234}=\dfrac{135:9}{234:9}=\dfrac{15}{26}\)

\(\dfrac{131313}{141414}=\dfrac{131313:10101}{141414:10101}=\dfrac{13}{14}\)

Học tốt nhé.