#芝麻开门#(-2)²ºº¹+(-2)²ºº¹²等于________
问题描述:
#芝麻开门#(-2)²ºº¹+(-2)²ºº¹²等于________
答
(-2)^2001+(-2)^2002
=(-2)×(-2)^2000+(-2)^2×(-2)^2000
=-2×(-2)^2000+4×(-2)^2000
=2×(-2)^2000
=2×2^2000
=2^2001.
答
(-2)²ºº¹+(-2)²ºº²=-2²ºº¹+2²ºº²=-2²ºº¹+2×2²ºº¹=(-1+2)×2²ºº&...