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1 sticla .....?l
10 sticle ....20l
300 sticle ...?l


Răspuns :

20÷10=2 l are o sticla
300·2=600 l au 300 de sticle
1 sticla .....2|
10 sticle......20|
300 sticle.....600|
Pentru ca este x2.