= \(\frac{5}{4}\).
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Ai tk cho mình minh tk lại.
\(\frac{5}{4}\)x \(\frac{1}{2}\):\(\frac{5}{10}\)
= \(\frac{5}{4}\)x\(\frac{1}{2}\): \(\frac{1}{2}\)
= \(\frac{5}{4}\)
\(\frac{5}{4}\)x \(\frac{1}{2}\)x \(\frac{2}{1}\)= \(\frac{10}{8}\)= \(\frac{5}{4}\)