Se scot: 10a+12r+14n = 36 margele
Raman100-36 = 64
a+r+n = 64 (*)
margele dintre care
r=2a
n=5a si inlocuim in (*)
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a+2a+5a = 64
8a = 64
a = 8
r = 2*8 = 16
n = 5*8 = 40
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Verificare: 8+16+40 = 64, OK, corect.
