Question

formati proporti cu numerele 1 ; 9 ; 5 ; 45​

Answer 1

Răspuns:

$\frac{1}{5} = \frac{9}{45}$

$\frac{45}{5} = \frac{9}{1}$

$\frac{5}{1} = \frac{45}{9}$

Answer 2

Răspuns:

1/1=5/5 9/27=3/9 5/100=20/400 45/60=15/20