Question

Aflati 5 numere pare consecutive care au sumă egală cu 500 .

Answer 1

a+a2+a4+a6+a8
500-(2+4+6+8)=96
1=96
2=96+2=98
3=96+4=100
4=96+6=102
5=96+8=104

Answer 2

a+b+c+d+e=500
b=a+2
c=a+4
d=a+6
e+a+8
a+a+2+a+4+a+6+a+8=500
5a+20=500
5a=500-20
5a=480
a=480:5
a=96
b=96+2
b=98
c=96+4
c=100
d=96+6
d=102
e=96+8
e=104

Verificare : 96+98+100+102+104 = 500