Question

va rog ex 9 prin metoda figurativa cu rezovare

Answer 1

|___|___|___|___|___|___|___| ; |___|___|___|___|___| 7-5=2 sticle. in 2 sticle sunt 3 l de suc => in o sticla vor fi 1,5 l suc (3:2=1,5)