a) -23.63 + 23.21-58.23
=-1449+483-1334
=-966-1334
=-2300
b) (-67).75 + 75.(-33)
=75.[-67+(-33)]
=75.(-100)
=-7500
c)(-5).8.(-2).3
=-40.(-6)
=240
d) (-163)+177+263-377
=[(-163) + 263] + (377-177)
=100+200
=300
e) (-2)^4.17+(-7).16
=-16.17+(-112)
=-272+(-112)
=-384
f) 125-(-75) + 32-(48+32)
=87 + 32-80
=87-80+32
=7+32
=39