x : 3/4 = 1 1/4 : 2/7
x : 3/4 = 35/8
x = 105/32
hok tốt
x = 1 1/4 : 2/7 : 3/7 = 5/4 x 7/2 x 7/3 = 245/24 = 10 5/24
x : 3/7 = 1 1/4 : 2/7
x : 3/7 = 35/8
x = 15/8
hok tốt
x : 3/7 = 1 1/4 : 2/7
x : 3/7 = 35/8
x = 15/8
hok tốt
\(x:\frac{3}{7}=\frac{11}{4}:\frac{2}{7}\)
\(x:\frac{3}{7}=\frac{35}{8}\)
\(x=\frac{15}{8}\)