4/5 ÷ 12 এর [3 ÷ 4 এর {(4 – 1) × 6 ÷ 2}] + 2 × 16 ÷ 20 + 3 এর মান কত?

1
\(5{3\over 5}\)
2
\(5{4\over 5}\)
3
\(4{2\over 5}\)
4
\(5{2\over 5}\)

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