ukm ko có j
\(\frac{39}{75}=\frac{39:3}{75:3}=\frac{13}{25}\)
\(\frac{48}{78}=\frac{48:6}{78:6}=\frac{8}{13}\)
\(\frac{120}{90}=\frac{120:30}{90:30}=\frac{4}{3}\)
_HT_
39/75 = 13/25
48/78= 8/13
120/90= 4/3
TL
39/75=13/25
48/78=8/13
120/90=4/3
nha
HT
thanks bạn nha!