Răspuns:
Explicație pas cu pas:
8.
[tex]a\frac{b}{c} =\frac{a*c+b}{c}[/tex] - algoritmul de introducere a unui intreg in fractie
[tex]a) \frac{72}{25} *\frac{4}{9} *\frac{5}{4} =\frac{8}{5} \\\\b) \frac{80}{27} *\frac{9}{4} *\frac{3}{5} =4\\c)\frac{60}{49} *\frac{21}{16} *\frac{4}{3} =\frac{15}{7} \\\\d)\frac{80}{27} *\frac{3}{20} *\frac{9}{8} =\frac{1}{2} \\\\e)\frac{56}{15} *\frac{10}{21} *\frac{3}{4} =\frac{28}{21} =\frac{4}{3}[/tex]
