Question

помогите решить!!!!!!!!!

Answer 1

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Answer 2

$frac{ frac{2}{10} }{2+ frac{2}{9} }= frac{ frac{2}{10} }{ frac{18+2}{9} } = frac{ frac{2}{10} }{ frac{20}{9} } = frac{2}{10}* frac{20}{9}= frac{4}{9}$