Question

Aflati numerele daca: m+n=12 ,m+p=14 ,m+r=16 ,m+s=18 si n+p+r+s+=42 va rogg!!

Answer 1

m+n+m+p+m+r+m+s=12+14+16+18
4m+n+p+r+s=60
4m+42=60
4m=18
m=4.5

rezulta ca n=12-4.5=7.5
p=14-4.5=9.5
r=16-4.5=11.5
s=18-4.5=13.5