Question

efectuati: -2,(3)+1 si 1/3-(-1)​

Answer 1

Răspuns:

-2,(3)+1=-1,(3)

1/3-(-1)=$\frac{1}{3} + \frac{3}{3} =\frac{4}{3}$

Answer 2

Răspuns:

-2,(3)+1 =

= -(23-2)/9+1=-21/9+1=-7/3+1 = (-7+3)/3=-4/3

si 1/3-(-1) = 1/3+1=(1+3)/3=4/3