a) \(\frac{1}{4}=\frac{2}{8}=\frac{3}{12}=\frac{4}{16}=\frac{5}{20}\)
b) \(\frac{9}{12}=\frac{3}{4}=\frac{18}{24}=\frac{27}{36}=\frac{36}{48}=\frac{45}{60}\)
nhớ tk nha bạn hiền
\(\frac{1}{4}=\frac{2}{8}=\frac{3}{12}=...\)
\(\frac{9}{12}=\frac{3}{4}=\frac{6}{8}=...\)
k minh nhé
a, 1/4 : 5/20 ; 2/8 ; 3/12 ; 4/16 ; 6/24
b, 9/12 : 3/4 ; 6/8 ; 12/16 ; 15/20 ; 90/120