ma ajuta cineva? :(...
![Ma Ajuta Cineva class=](https://ro-static.z-dn.net/files/db3/6c9b8acd69a8f3b1c274ac444c68b2b1.jpg)
Răspuns:
Explicație pas cu pas:
0,1(6) = 15/90 = 1/18, 0,(3) = 1/3
1/18*(1/3) = 2,5*x
1/54 = 2,5*x
x = 1/(54*2,5) = 1/135