Răspuns :
m+p=24
pr+p=13
m+pr=23 dac le adunam obtinem de 2 ori suma lor
2x(m+p+pr)=24+13+23=60
m+p+pr=60:2=30
m=30-13=17
p=30-23=7
pr=30-24=6
pr+p=13
m+pr=23 dac le adunam obtinem de 2 ori suma lor
2x(m+p+pr)=24+13+23=60
m+p+pr=60:2=30
m=30-13=17
p=30-23=7
pr=30-24=6