Số?a) \(\dfrac{2}{5}=\dfrac{2\times?}{5\times?}=\dfrac{10}{25}\) \(\dfrac{4}{7}=\dfrac{4\times2}{7\times?}=\dfrac{?}{?}\) b) \(\dfrac{36}{40}=\dfrac{36:?}{40:?}=\dfrac{9}{10}\) \(\dfrac{24}{32}=\dfrac{24:?}{32:8}=\dfrac{?}{?}\) ...
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Số?
a) \(\dfrac{2}{5}=\dfrac{2\times?}{5\times?}=\dfrac{10}{25}\) \(\dfrac{4}{7}=\dfrac{4\times2}{7\times?}=\dfrac{?}{?}\)
b) \(\dfrac{36}{40}=\dfrac{36:?}{40:?}=\dfrac{9}{10}\) \(\dfrac{24}{32}=\dfrac{24:?}{32:8}=\dfrac{?}{?}\)
a) \(\dfrac{2}{5}=\dfrac{2\times5}{5\times2}=\dfrac{10}{25}\)
\(\dfrac{4}{7}=\dfrac{4\times2}{7\times2}=\dfrac{8}{14}\)
b) \(\dfrac{36}{40}=\dfrac{36:4}{40:4}=\dfrac{9}{10}\)
\(\dfrac{24}{32}=\dfrac{24:8}{32:8}=\dfrac{3}{4}\)