Salut!
315+42=357 g (vandute in acea sapt.)
[tex] \dfrac{3}{50}=357[/tex]
357:3=119 g (1/50)
119•50=5950 g bijuterii (total)
Verificare:
[tex] \dfrac{3}{50}din~5950[/tex]
5950:50=119•3=327 (1 sapt)
315+42=257
Amandoua verificarile dovedesc acelasi lucru.
Succes!
