2减2的2次方减2的3次方减2的4次方减2的5次方减2的6次方减2的7次方减2的8次方减2的9次方加2的10次方的简算

Question

如题所述

Answer 1

2-2^2-2^3-2^4-.........2^9+2^10
=2+2^10-(2^2+2^3+....2^9)
=2+2^10-[2^2(1-2^8)/(1-2)]
=2+2^10-2^10+2^2
=2+4
=6本回答被网友采纳

Answer 2

2-2^2-2^3-2^4-.........2^9+2^10
=2+2^10-(2^2+2^3+....2^9)

=2+2^10-2^10+2^2
=2+4
=6