Oblicz^ sorki za jakość

A)
[tex] \frac{4}{7} \times \frac{36}{1} = \frac{144}{7} = 20 \frac{4}{7} [/tex]
B)
[tex] \frac{36}{1} \times \frac{8}{9} = \frac{288}{9} = 32[/tex]