Determinati x din proportia
Trebuia sa pun la mate nahdhsba

2 1/3= 7/3
1 3/7= 10/7
=> 0,5x= 7/3 × 10/7
1/2x= 70/21 | : 1/2
x= 70/21 × 2/1
x= 140/21
sper ca te-am ajutat!