Question

Transformați:
Model:1,2=12
—
10
1,(5)=
1,2(4)=
Am nevoie urgent

Answer 1

1,2 = 12/10 

1,(5) = 14/9

1,2(4) = 112/90 

Answer 2

$1,(5) = \dfrac{15-1}{9} = \dfrac{14}{9} \\ \\ 1,2(4) = \dfrac{124-12}{9\cdot10} = \dfrac{112}{90}$