o echipa de muncitori a eparat 700 dam de sosea in 3 saptamani. in primele 2 saptamani a reparat 500 dam de sosea, iar in ultimele 2 saptamani 400 dam. cati m de sosea a reparat echipa in fecare saptamana?
va rog!! imi trebuie repede!
A PRIMA SAPTAMANA B A DOUA SAPTAMANA C A TREIA SAPTAMANA A+B+C=700 A+B=500 B+C=400 500+C=700 C=700-500=200 B=400-C=400-200=200 A=500-B=500-200=300 IN PRIMA SAPTAMANA=300 IN A DOUA SAPTAMANA=200 IN A TREIA SAPTAMANA=200
