Question

Ajutor ex 4,6 si 12 Dau coroana

Answer 1

Exercițiul 4

a)  0,2 + 1,(3) =3,2
b)  2,5 + 0,(7) =2,5
c)  4,25 + 0,1(6) =4,85
d)  12,25 + 0,(36) =12,25
e)  1.2(3) + 0.25 =3,625

Exercitiul 6

a) $\frac{12}{20} + \frac{14}{10} = \frac{3}{5} + \frac{7}{5} = \frac{3+7}{5} = \frac{10}{5} = 2$
b)$\frac{21}{49} + \frac{10}{35} = \frac{3}{7} + \frac{2}{7} = \frac{3+2}{7} = \frac{5}{7}$
c)$\frac{11}{121} + \frac{24}{33} = \frac{1}{11} + \frac{8}{11} = \frac{1+8}{11} = \frac{9}{11}$