What's the difference between "ser" and "estar" in Portuguese?

שִׁעוּרִים מֻמְלָצִים

Aanbevolen lessen

(מִסְפָּרִים (11-19

Getallen (11-19)

(מִסְפָּרִים (20-100

Getallen (20-100)

עִברִית