Question

Ex. 8 .Va rog frumos . Dau coroana

Answer 1

Răspuns:

Explicație pas cu pas:

0,(3)=3/9=1/3

1,(3)=(13-1) /9= 4/3

(1/3+(4/3)*9/16):(13/12)

=(1/3+3/4)*(12/13)

13/12*12/13=1