Răspuns :
Bile negre=3x
Bile rosii=x
Bile galbene=x+36
x+3x+x+36=481
5x=445
x=89
Bile rosii=89
Bile negre= 89x3=267
Bile galbene=89+36=125
Bile rosii=x
Bile galbene=x+36
x+3x+x+36=481
5x=445
x=89
Bile rosii=89
Bile negre= 89x3=267
Bile galbene=89+36=125
481-36=445
445:5=89 bile rosii
89+36=125 bile galbene
89x3=267 bile negre
445:5=89 bile rosii
89+36=125 bile galbene
89x3=267 bile negre