解:(1)-54×2÷(-4)× =54××× =6; (2)(-+)×(-36) =-18+20-21 =-19; (3)-4×7-(-3)×6+5 =-28+18+5 =-5; (4)-1-[1-(1-0.5×)]×6 =-1-[1-(1-×)]×6 =-1-6+6-××6 =-1-6+6-1 =-2; (5)-22-(-3)3×(-1)4-(-1)5 =-4+27×1+1 =-4+27+1 =24; (6)(-)×(-4)2-0.25×(-5)×(-4)3 =-×16-0.25×5×64 =-10-80 =-90; (7)(-1)+(-1)2+(-1)3+…+(-1)99+(-1)100 =-1+1-1+…-1+1 =0; (8)++ =)+×(-)+×(-)+…+×(-) =×(-) =. |