Question

Determinati numarul natural x , stiind ca : 7 supra 11 = x supra 99 .

Answer 1

$\dfrac{7}{11}= \dfrac{x}{99} \\ =\ \textgreater \ x= \dfrac{7*99}{11}(se\ simplifica\ 99\ cu\ 11\ si\ ramane\ 9) \\ =\ \textgreater \ x=7*9=63$
sper ca te-am ajutat

Answer 2

7/11=x/99
Folosind propietetatea fundamentala a proportiilor, avem :
11x=7*99 
x=7*9
x=63