m I---I---I---I---I
u I---I+42
p I---I }438
egalam segmentele
438-42 = 396
1. Aflam cat reprezinta un segment
396:6 = 66
deci s-au adus 66 papusi
2. Aflam cati ursuleti s-au adus la magazin
66+42 = 108
3.Aflam cate masinute s-au adus la magazin
66*4 = 264
Verificare
264+108+66 = 372+66 = 438