a) 125.(-61).(-2)³.(-1)²=125.(-61).(-8).1=[125.(-8)].(-61.1)=-1000.(-61)=-61000
b)-48.72+36.(-304)=(-48).36.2+36.(-304)=36.(-48-304).2=36.(-352).2=(36.2).(-352)=-25344
c)(-7)^3.2^4=-343.16=-5488
d)5^4.(-4)^2=625.16=10000
e)-|-17|+2[24.(-8)+(-5)²]=(-17)+2[-192+25]=-17-348+50=-315
f)-|-7|.[(-2)^4+(-36)]=-7.(16-36)=-7.(-20)=140