Can we express the representation of two mentioned compounds as equivalent notation?

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Francis Salzano

Not my area of expertise. Wish I could help.

Juan Casado

I think this is simply a mathematical transformation of the formulae for a series of mixed oxides... perhaps cristallographic isomorphs.

Thomas Simons

I have never seen the lower notation before...

Ambyah Suliwarno

I think, this is a mathematical equations on the inorganic compounds which related to the empirical formula, for a certain purposes

Asla Bish

Thank you all respected Researchers !! Appreciate your time.