2 câu trả lời
`@ mikucute`
$\dfrac{3}{4}$ + $\dfrac{5}{6}$ + $\dfrac{7}{8}$
Mẫu chung : 24
$\dfrac{3}{4}$ + $\dfrac{5}{6}$ + $\dfrac{7}{8}$
= $\dfrac{18}{24}$ + $\dfrac{20}{24}$ + $\dfrac{21}{24}$
= $\dfrac{38}{24}$ + $\dfrac{21}{24}$
= $\dfrac{59}{24}$
$# Blackpink$
$\dfrac{3}{4}$ + $\dfrac{5}{6}$ + $\dfrac{7}{8}$
= $\dfrac{18}{24}$ + $\dfrac{20}{24}$ + $\dfrac{21}{24}$
= $\dfrac{59}{24}$
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