Răspuns :
p=pix
s=stilou
c=caiet
l=lei
p+s=5 l
s+c=7 l
p+c=6 l
p=? s=? c=?
p+s+s+c+p+c=5 l+7 l+6 l
2p+2s+2c=18 l
2p+7x2=18 l
2p+14=18 l
2p=18-14
2p=4 l
p=4:2
p=2 l
s+2=5
s=5-2
s=3 l
c+3=7
c=7-3
c=4 l
s=stilou
c=caiet
l=lei
p+s=5 l
s+c=7 l
p+c=6 l
p=? s=? c=?
p+s+s+c+p+c=5 l+7 l+6 l
2p+2s+2c=18 l
2p+7x2=18 l
2p+14=18 l
2p=18-14
2p=4 l
p=4:2
p=2 l
s+2=5
s=5-2
s=3 l
c+3=7
c=7-3
c=4 l
Pixul=5 lei
Stilou=3 lei
Caiet=4 lei
Ti-am dat doar raspunsul pt ca ma grabesc sa-i mai ajut pe altii¡!!!!!!!!