👤

aăaaaaaaaaaajjjjjjjjjjjjjuuuuuuuuutttttttttttooooooooooooooooooor


Aăaaaaaaaaaajjjjjjjjjjjjjuuuuuuuuutttttttttttooooooooooooooooooor class=

Răspuns :

2Al+3CuO->Cu+Al2O3

Mg+ZnO->Zn+MgO