Question

31] Calcule. .
2)-3{{-46-2-5-4+5) - 3]}=
b) 15-6 - [3 • (-1-9)]+
((+ 24 -
c) – 32 +5{15- [5-(-3+8)-7-5]}
-20 - (-18-[(-1)-(4-7)]}-
d) - 20 - -18​