$$4 + (1/6) [{-10 \times (25 - 13 - 3)}Â \div (-5) ]$$ = ?
$$4 + (1/6) [{-10 \times (25 - 13 - 3)}Â \div (-5) ]$$
$$4 + (1/6) [{-10 \times (9)}Â \div (-5) ]$$
$$4 + (1/6) [18]$$
$$4 + 3 = 7$$
Hence, option D is the correct answer.
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