依题意:
-2^99×(-1/2)^100+8^101×(-0.125^100)
=-2^99×(1/2)^99×(1/2)-8×8^100×(1/8)^100
=-(2×1/2)^99×1/2-8×(8×1/8)^100
=-1/2-8
=-8.5
依题意:
-2^99×(-1/2)^100+8^101×(-0.125^100)
=-2^99×(1/2)^99×(1/2)-8×8^100×(1/8)^100
=-(2×1/2)^99×1/2-8×(8×1/8)^100
=-1/2-8
=-8.5