Răspuns :
x+y+z=388 kg z= 388-261=127 kg
x+y=261
z=y-9
y=127+9=136 kg
x+136+127=388
x=388-136-127
x=125 kg
R: b).
x+y=261
z=y-9
y=127+9=136 kg
x+136+127=388
x=388-136-127
x=125 kg
R: b).