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Impartiti nr. 106 in parti direct proportionale cu nr. 0,3; 2; 1,2.

Răspuns :

a=0,3k
b=2k
c=1,2k
0,3k+2k+1,2k=106
3,5k=106
k=30
a=0,3k=0,3×30=9
b=2k=2×30=60
c=1,2k=1,2×30=36