Question

cat face 15 -5 +18:6 +(-8)

Answer 1

$15 - 5 + 18 \div 6 + ( -8 )$

$= 10 + 3 - 8$

$= 13 - 8$

$= 5$

Answer 2

15-5+18:6 +(-8)=15-5+3 +(-8)=13-8=5