m /...../....../....../....../
a /...../....../
c /...../
impreuna au adunat 91 castane
cat reprezinta un segment?
91 : 7 = 13
cate castane a adunat Maria?
4 x 13 = 52
cate castane a adunat Andrei?
2 x 13 = 26
cate castane a adunat Ciprian?
1 x 13 = 13
verificam
52 + 26 + 13 = 91