Răspuns :
X- nr initial de fursecuri
1- 1/2 x( ori) X= X/2
2- 1/2 x x/2= x/4
3- 1/2 x x/4 =x/8
X- x/2- x/4- x/8=3 / x8
8x-4x-2x-x=24
X=24 ( fursecuri au fost initial)
1- 1/2 x( ori) X= X/2
2- 1/2 x x/2= x/4
3- 1/2 x x/4 =x/8
X- x/2- x/4- x/8=3 / x8
8x-4x-2x-x=24
X=24 ( fursecuri au fost initial)