Задание

Приведите все дроби к знаменателю \(\displaystyle 5{\small:}\)

\(\displaystyle \frac{8}{20}=\)
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\(\displaystyle 5\)
   ,   \(\displaystyle \frac{21}{35}=\)
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\(\displaystyle 5\)
   и   \(\displaystyle \frac{36}{45}=\)
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\(\displaystyle 5\)