Răspuns :
m=35+p
r(prune) r=p +45
m= mere
p=pere
m+p+r=200
35+p+p+p+45=200
3p=200-80
p=120:3
p=40 , 40 kg de pere
m= 35 kg + 40kg= 75kg
r= 40 kg+ 45kg= 85kg
r(prune) r=p +45
m= mere
p=pere
m+p+r=200
35+p+p+p+45=200
3p=200-80
p=120:3
p=40 , 40 kg de pere
m= 35 kg + 40kg= 75kg
r= 40 kg+ 45kg= 85kg
200 - 35 - 45 = 120
120 / 3 = 40 kg pere
40 + 35 = 75 kg mere
40 + 45 = 85 kg prune
120 / 3 = 40 kg pere
40 + 35 = 75 kg mere
40 + 45 = 85 kg prune