निम्नलिखित व्यंजक को सरल कीजिए:

8 ÷ 4 का 2 - 15 ÷ 2 का 5 - 6 ÷ 5 × 2 का (-7 + 5)

1
\(31 \frac{7}{10}\)
2
\(4 \frac{3}{10}\)
3
\(7 \frac{3}{10}\)
4
\(- \frac{1}{5}\)

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