👤

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


Răspuns :

Răspuns:

a) 1.55+0.325= 1.875

formula alternativa:

[tex] \frac{15}{8} \: \: \: \: \: \: \ 1 \frac{ 7}{8} [/tex]

b)

[tex] \frac{ \frac{11}{5} }{3} + \frac{ \frac{5}{2} }{6} [/tex]

[tex] \frac{11}{15} + \frac{5}{12} [/tex]

[tex] \frac{23}{20} [/tex]

Forma alternativa:

[tex]1 \frac{3}{20} \: \: \ \: \: \: \: \: \: \: 1.15[/tex]