Răspuns :
x.
[tex] \frac{3}{2} \times \frac{4}{3} \times \frac{5}{4} \times \frac{6}{5} [/tex]
[tex] \frac{1}{2} \times 5 \times \frac{6}{5} [/tex]
[tex] \frac{1}{2} \times 6[/tex]
x=3
y.
[tex] \frac{1}{2} \times \frac{2}{3} \times \frac{3}{4} \times \frac{4}{5} [/tex]
[tex] \frac{1}{3} \times \frac{3}{4} \times \frac{4}{5} [/tex]
[tex] \frac{1}{4} \times \frac{4}{5} [/tex]
[tex] \frac{1}{5} [/tex]
y= 1/5
b.
[tex] \frac{3}{ \frac{1}{5} } [/tex]
[tex]3 \div \frac{1}{5} [/tex]
[tex]3 \times 5[/tex]
[tex]15[/tex]