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??????? ?? ???? ??????? ???? ????? ????? ? ??? ???? ?? ????? ??????? ????? ?? ????. ??????? ??? ???? ???? ?? ???? ??? ????? ??? ???? ?? ???? ???.?? ???? ?? ???? ?? ????? ????? ???? ?????? ?? ??? ????? ?? ?????? ?? ???? ??? ?????? ???? ??? ?? ???? ????? ?? ????? ???.Compound oxides are metallic oxides that behave as If they're made up of two oxides,

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