Question

-4.(-5-4)+{-9.3-5.4-[-2.(-3+4-2)]}

14:(-2.5+3)-{16:(-2+6)-2.[3.2-(-4.2+7)]}

Answer 1

-4.(-5-4)+{-9.3-5.4-[-2.(-3+4-2)]}
-4.(-9)+{-27-20-[-2.(-1)]}
36+{-47-[2]}
36-47-2
-13


14:(-2.5+3)-{16:(-2+6)-2.[3.2-(-4.2+7)]}
14:(-10+3)-{16:4-2.[6-(-8+7)]}
14:-7-4-2.[6+1]}
-2-4-2.7
-2-4-14
-20