Выполните действия. 2,7 : 9/14 =. Created by elaow. matematika-ru

14 =...

August 2022 2 4 Report

Выполните действия.
2,7 : 9/14 =

AstonishedDragon $2,7 : \frac{9}{14}\ = \ 2 \frac{7}{10} : \frac{9}{14} \ = \ \frac{27}{10} : \frac{9}{14} \ = \ \frac{27}{10} \cdot \frac{14}{9} \ = \ \frac{27\cdot14}{10\cdot9} = \frac{378}{90} = 4,2; \\ \\ \\ OTBET: 4,2$

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2.7 : 9/14=2 7/10 : 9/14=27/10:9/14=(27*14)/(10*9)=(3*7)/(5*1)=21/5= 4 1/5=4.2

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