Răspunsuri

2014-03-14T16:03:41+02:00
Consideram doua numere x si y 
x+y=10
2x=y/2=> 4x=y
x+4x=10=>5x=10=>x=2
y=10-2=8

7 4 7
2014-03-14T17:16:49+02:00
Cele 2 numere sunt 
a /---/
b /---/---/---/---/     suma 10
daca fac cele 2 transformari obtin 
a /---/---/
b/---/---/
10 este suma a 5 segmente egale
10:5=2 (a)
4*2=8 (b)
verificare 2*2=8:2

13 4 13