Question

5 pag 10 va rogggg:(((

Answer 1

Răspuns:

d)

0,(11) = 11/99 simplificam cu 11 = 1//9

= √(0,11) = √(1/9) = 1/3

e)

5 intregi 4/9 = (5x9+4)/9 = 49/9

= √(49/9) = 7/3 = 2 intregi 1/3

f)

1,36(1) = (1361 - 136)/900 = 1225/900

= √(1225/900) = 35/30 = 1,1(6)

Answer 2

Răspuns:

Explicație pas cu pas:

c)

=√225/√100=15/10=3/2 ∈Q

d)

=√11/√99=√1/√9=1/3∈Q

e)

√49/√9=7/3∈Q

f)

=√1225/√900= 35/30=7/6 ∈Q