Răspuns :
facem cu segmenti..
-colierele =1segment
brose=4 segmenti,total=5 segmenti.
75;5=15,,,,coliere=15
15*4=60.....brose=60
-colierele =1segment
brose=4 segmenti,total=5 segmenti.
75;5=15,,,,coliere=15
15*4=60.....brose=60
coliere+brose=75
brose=coliere ori 4
4 ori coliere + coliere=75
5 ori coliere=75 :5
15+ brose=75
brose=75-15
brose=60
brose=coliere ori 4
4 ori coliere + coliere=75
5 ori coliere=75 :5
15+ brose=75
brose=75-15
brose=60