Răspuns :
a,b,c,d-numerele
a+b+c+d=50
b=a+1
c=a+2
d=a+3
a+a+1+a+2+a+3=50
4a+6=50
4a=50-6
4a=44
a=44:4
a=11
b=a+1=11+1=12
c=a+2=11+2=13
d=a+3=11+3=14
a+b+c+d=50
b=a+1
c=a+2
d=a+3
a+a+1+a+2+a+3=50
4a+6=50
4a=50-6
4a=44
a=44:4
a=11
b=a+1=11+1=12
c=a+2=11+2=13
d=a+3=11+3=14