Răspuns :
s+c+j=48
c=2xs
j=3xs
s= |----| }48
c= |----|-----|
j= |----|-----|------|
1+2+3=6
48:6=8 stiloul
8x2=16 cartea
3x8= 24 jocul
verificare: 24+16+8=40+8=48
c=2xs
j=3xs
s= |----| }48
c= |----|-----|
j= |----|-----|------|
1+2+3=6
48:6=8 stiloul
8x2=16 cartea
3x8= 24 jocul
verificare: 24+16+8=40+8=48
Ipoteza: s-stilou
c-carte
j-joc
Concluzie: s+c+j=48
c=2×s
j=3×s
s=48-c-j
c=48-s-j
j=48-s-c
Introdem: c=2×48-c-j(carte)
j=3×48-c-j(joc)
c-carte
j-joc
Concluzie: s+c+j=48
c=2×s
j=3×s
s=48-c-j
c=48-s-j
j=48-s-c
Introdem: c=2×48-c-j(carte)
j=3×48-c-j(joc)