Question

dau coroana

cat e -2,(3)

0,(1)

2 1/2

1/ $\sqrt$0,1024

$\sqrt784/441$

-1,(3)

Answer 1

Explicație pas cu pas:

-2,(3)=-23-2/9=21/9=7/3

0,(1)=1/9

21/2=10,5

-1,(3)=-13-1/9=-12/9=-4/3

✓784/441=28/441 =4/63