Először a zárójelben lévő kivonást kell elvégezni: 5 – 2 = 3
Azonos szintű műveleteket (szorzás, osztás) balról jobbra végzünk el, tehát: 12 : 2 = 6
Majd legvégül a szorzást: 6 x 3 = 18
A megoldás: 18.
Só, hiszen óceánból, tengerből származik, és a vízben színtelenül feloldódik.
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