Question

calculați [(-1) la puterea 17 +18:(-3)]*(-9)

Answer 1

$[ {( - 1)}^{17} + 18 \div ( - 3) ] \times ( - 9)$

$= ( - 1 - 6) \times ( - 9)$

$= ( - 7) \times ( - 9)$

$= 63$