Question

Aflati trei numere naturale x,y,z ,stiind ca, x+y=56, y+z=88,x+z =80

Answer 1

2(x+y+z)=56+88+80
2(x+y+z)=136+88
2(x+y+z)=224
x+y+z=112
56+z=112
z=56
y+56=88
y=32
x+32=56
x=24
Verificare: 56+32+24=112