Question

calculati (-17+13) * [(3-9+10): (25-27)]

Answer 1

$(-17+13) \cdot [(3-9+10): (25-27)]= \\ =-4 \cdot (-6+10):(-2)]= \\ =-4 \cdot 4:(-2)= \\ =-4 \cdot (-2)= \\ =8$