a)13/17 va 15/19
1>13/17
1>15/19
vay13/17<15/19
b)12/48 va 9/36
12/48=1/4
9/36=1/4
1/4=1/4
vay:12/48=9/36
\(\frac{13}{17}< \frac{15}{19}\)
\(\frac{12}{48}=\frac{9}{36}\)
ai choi ff thi ket ban
a.\(\frac{13}{17}\) < \(\frac{15}{19}\)
b.\(\frac{12}{48}\)= \(\frac{9}{36}\)
A) <
B) =
TƯỞN CAI GI?