👤

Suma a 4 nr este 536.Daca la fiecare se obtine acelasi numar se obtine :128,129,144,155. Aflati cele 4 nr


Răspuns :

a+b+c+d=536
a+x=128
b+x=129
c+x=144
d+x=155
__________ +
536+4x=556

4x=20 =>x=5
a+5=128 =>a=123
b+5=129 =>b=124
c+5=144 =>c=139
d+5=155 =>d=150