Question

Exercitiile 9 si 10 va rog!

Answer 1

Răspuns:

10.

$\frac{49}{4} - \frac{17}{8} = \frac{98 - 17}{8} = \frac{81}{8} = 10.125kg$

9.

$25 \frac{3}{4} - 18 \frac{5}{6} = \frac{103}{4} - \frac{113}{6} = \frac{309 - 226}{12} = \frac{83}{12} = 6.91 \: ltri$