Question

-) 11 - 17 - 15 -3 (9-3-6).​

Answer 1

$- 11 - 17 - 15 - 3(9 - 3 - 6) \\ \\ = - 11 - 17 - 15 - 3(9 - 9) \\ \\ = - 11 - 17 - 15 - 3 \times 0 \\ \\ = - 11 - 17 - 15 \\ \\ = - 43$

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