13c....18a...300kg
18c...18a...360kg
18-13=5c =>360-300 => 60kg(5 saci cartofi)
60:5=12kg (1 sac cartofi)
13×12 + 18a =300kg
156 + 18a =300kg
18a=300-156
18a=144kg
1a=144:18
1a= 8kg
V: 13×12 + 18×8=
156 + 144= 300kg
18×12 + 18×8=
216 + 144 = 360kg
Sper că te-am ajutat!!!
