Question

[-15+{4÷(-1-3) }×6]​

Answer 1

Answer:

$- 15 + (4 \div ( - 1 - 3) \times 6 \\ \\ \\ = > - 15 + (4 \div ( - 4) \times 6 \\ \\ \\ = > - 15 + \frac{4}{ - 4} \times 6 \\ \\ = > - 15 - 6 \\ \\ = > - 21$

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