Câu hỏi của 𝘏€Ⱡ₱Ꮆ乇₦ℤHW 彡

Question

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9/23 + 53/3 + 2/69 + (-15)

Yen Nhi · Accepted Answer

$\dfrac{9}{23}+\dfrac{53}{3}+\dfrac{2}{69}+\left(-15\right)$

$=\dfrac{9.3}{23.3}+\dfrac{53.23}{3.23}+\dfrac{2}{69}+\dfrac{-15.69}{1.69}$

$=\dfrac{27}{69}+\dfrac{1219}{69}+\dfrac{2}{69}+\dfrac{-345}{69}$

$=\dfrac{903}{69}$

$=\dfrac{301}{23}$.

Câu trả lời: $\dfrac{9}{23}+\dfrac{53}{3}+\dfrac{2}{69}+\left(-15\right)$

$=\dfrac{9.3}{23.3}+\dfrac{53.23}{3.23}+\dfrac{2}{69}+\dfrac{-15.69}{1.69}$

$=\dfrac{27}{69}+\dfrac{1219}{69}+\dfrac{2}{69}+\dfrac{-345}{69}$

$=\dfrac{903}{69}$

$=\dfrac{301}{23}$.