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2014-11-14T10:30:54+02:00
D=I*C+R; R+I=15; C+I=17; I+C+R=18; din rel c+i=17; => 17+R=18=> R=1; din R+I=15=> I=14; si di C+I= 17=> C=17-14=> c=3; D=14*3+1=42+1=43


























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2014-11-14T10:31:00+02:00
A+b=17
b+c=15
a+b+c=18
17+c=18
c=18-17
c=1

b+1=15
b=15-1
b=14

a=17-14
a=3
3+14+1=18