Ionel si Georgiana au impreuna 157 timbre. Georgiana are de 4 ori mai multe timbre ca Ionel si inca 7. Cate timbre are fiecare?
Cat reprezinta 5 segmente?
157-7=150
Cate timbre are Ionel? (un segment)
150:5=30
Cate timbre are Georgiana?
30×4+7=120+7=127
verificare 30+127=157
Ionel are 30 timbre, Georgiana are 127 timbre.