Răspuns :
stiuca x kg
crap 4x kg
x+4x=125
5x=125
x=125:5
x=25(kg de stiuca)
25x4=100(kg de crap)
crap 4x kg
x+4x=125
5x=125
x=125:5
x=25(kg de stiuca)
25x4=100(kg de crap)
c+s=125
c=4s
4s+s=125
5s=125
s=25 kg de stiuca
c=4*25
c=100 kg crap
c=4s
4s+s=125
5s=125
s=25 kg de stiuca
c=4*25
c=100 kg crap