Question

-1×99×(-88+69)×1+(-99×1)​

Answer 1

Answer:

$- 1 \times 99 \times ( - 88 + 69) \times 1 + ( - 99 \times 1) \\ \\ = - 99 \times ( - 88 + 69) \times 1 + ( - 99) \\ \\ = - 99 \times - 19 \times 1 - 99 \\ \\ = 1881 \times 1 - 99 \\ \\ = 1881 - 99 \\ \\ = 1782$

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