Ответ:
K2O, P2O3, P2O5, Al2O3, MnO, MnO2, Mn2O7, V2O3, SO3, ZnO
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Ответ:
K2O, P2O3, P2O5, Al2O3, MnO, MnO2, Mn2O7, V2O3, SO3, ZnO