Răspuns :
M____ ____ ____ ____
D____ }50t
4+1=5segm--figureaza 50timbre
50:5=10timbre----Dragos
10 x4=40timbre----Matei
D____ }50t
4+1=5segm--figureaza 50timbre
50:5=10timbre----Dragos
10 x4=40timbre----Matei
Dragos+Matei= 50 timbre
Dragos= m:4
m:4+m=50
5m=50
m=50:5
m=10 timbre are dragos
=> 40 timbre matei
Dragos= m:4
m:4+m=50
5m=50
m=50:5
m=10 timbre are dragos
=> 40 timbre matei