(3целых6/11-1,5)*2целых4/9. Created by NASTYAFILENCKO. matematika-ru

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NASTYAFILENCKO @NASTYAFILENCKO

September 2021 1 3 Report

(3целых6/11-1,5)*2целых4/9

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Regent1828

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$\displaystyle (3 \frac{6}{11}-1,5)*2 \frac{4}{9}=( \frac{39}{11}- \frac{15}{10})* \frac{22}{9} = \frac{39*22}{11*9}- \frac{15*22}{10*9}= \\ \\ \frac{39*2}{9}- \frac{3*11}{9}= \frac{78-33}{9}= \frac{45}{9}=5$

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