Question

9.efectuati
A)3.1/2+1.3/4=?/?
B)2.2/3+2.5/6=?/?

Answer 1

Răspuns:

a) 1.55+0.325= 1.875

formula alternativa:

$\frac{15}{8} \: \: \: \: \: \: \ 1 \frac{ 7}{8}$

b)

$\frac{ \frac{11}{5} }{3} + \frac{ \frac{5}{2} }{6}$

$\frac{11}{15} + \frac{5}{12}$

$\frac{23}{20}$

Forma alternativa:

$1 \frac{3}{20} \: \: \ \: \: \: \: \: \: \: 1.15$