👤

Vă rog frumos!
[tex]a \: \frac{2}{3} = \frac{6}{?} \\ [/tex]
[tex]b \: \frac{?}{16} = \frac{3}{4} [/tex]


Răspuns :

Salut! ^-^

Voi nota cu "x" in loc de "?"

a) [tex]\frac{2}{3}= \frac{6}{x}[/tex]

Vom inmulti in diagonala:

2*x=3*6

2x=18

x=18:2

x=9

b) [tex]\frac{x}{16}= \frac{3}{4}[/tex]

Inmultim, din nou, in diagonala:

4*x=16*3

4x=48

x=48:4

x=12

Succes!