Răspunsuri

2014-11-06T22:13:52+02:00
A+b+c=37-
a=2b
c=b:3 deci b=3c
inlocuim asa:
2b+b+c=370
2x3c+3c+c=370  => 6c+3c+c=370 
10c=370
c=37
b=3x37  b=111
a=111x2   a=222

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2014-11-06T22:18:34+02:00
Notam: x-primul nr; y-al doilea nr; z-al treilea nr. x+y+z=370 x=2y y=3z =>x=2×3z (2×3z)+3z+z=370 6z+3z+z=370 10z=370 z=37 x=2×3×37=222 y=3×37=111 222+111+37=370