Răspuns:
[tex]5 \frac{2}{3} \times 6 = \frac{17}{3 } \times 6 = 17 \times 2 = 34[/tex]
[tex]13 \times 7 \frac{1}{5} = \frac{13}{1} \times \frac{7}{1} \times \frac{1}{5} = \frac{13 \times 7 \times 1}{1 \times 1 \times 5} = \frac{91}{5} [/tex]
[tex]6 \frac{3}{4} \times 10 = \frac{27}{4} \times 10 = \frac{27}{2} \times 5 = \frac{135}{2} [/tex]
[tex]16 \times 2 \frac{1}{7} = \frac{16}{1} \times \frac{2}{1} \times \frac{1}{7} = \frac{16 \times 2 \times 1}{1 \times 1 \times 7} = \frac{32}{7} [/tex]