Tính. 5 x 3/7

a) $5\times \frac{7}{3}=\mathrm{...............}$

c) $0\times \frac{2}{3}=\mathrm{...............}$

b) $1\times \frac{21}{23}=\mathrm{...............}$

d) $11\times \frac{2}{27}=\mathrm{...............}$

a) $5\times \frac{7}{3}=\frac{5\times 7}{3}=\frac{35}{3}$

c) $0\times \frac{2}{3}=\frac{0\times 2}{3}=0$

b) $1\times \frac{21}{23}=\frac{1\times 21}{23}=\frac{21}{23}$

d) $11\times \frac{2}{27}=\frac{11\times 2}{27}=\frac{22}{27}$