(3-5)二次方*(2/1)二次方 (-0.125)一百次方*(-8)101次方
=2²*(1/2)²(1/8)^100*(-8)^101
=(2*1/2)²*(1/8)^100**8^100*(-8)^
=1²*[1/8 * 8]^100*(-8)
=1^100*(-8)
=-8