Write the reaction equation: carbon dioxide-starch-glucose-lactic acid-carbon dioxide

Let’s carry out the solution of the chain of transformations for carbohydrates:
6СО2 + 6Н2О = С6Н12О6 + 6О2 – the process of photosynthesis occurs in the light, glucose and oxygen are released;
nC6H12O6 = (C6H10O5) n + nH2O – polymerization reaction, starch obtained;
(C6H10O5) n + nH2O = nC6H12O6 – starch hydrolysis occurs in an acidic medium, glucose is formed;
C6H12O6 = 2CH3 – CH – (OH) – COOH – the reaction of lactic acid fermentation is possible with the participation of enzymes;
CH3 – CH – (OH) – COOH + 3O2 = 3CO2 + 3H2O – complete oxidation of carbon dioxide.