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Suma a 5 numere pare consecutive este 80.Afla numerele

Răspuns :

a   /-------/
b  /-------/-2-/
c  /-------/-2-/-2-/
d /-------/-2-/-2-/-2-/
e /-------/-2-/-2-/-2-/-2-/
80-20=60
60/5=12
a=12
b=12+2
b=14
c=12+4
c=16
d=12+6
d=18
e=12+8
e=20
12+14+16+18+20=80
sunt 12,14,16,18,20 deoarece
12+14+16+18+20=80