2²º¹¹-2²º¹º-···-2²-2¹-2º
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2²º¹¹-2²º¹º-···-2²-2¹-2º
2²º¹¹-2²º¹º-···-2²-2¹-2º
2²º¹¹-2²º¹º-···-2²-2¹-2º
2的n+次方-2的n次方=2的n次方,最后为2的1次方-1=1
2²º¹¹-2²º¹º-···-2²-2¹-2º
=2²º¹¹-(2²º¹º+···+2²+2¹+2º)
=2²º¹¹-(2²º¹¹-1)
=1
等于1啊
2²º¹¹-2²º¹º=2²º¹º
依次类推,最后只剩2¹-2º=1
2²º¹¹-2²º¹º-···-2²-2¹-2º
=2^2010×(2-1)-2^2009-...-2^0
=2^2010-2^2009-...-2^0
=2009^(2-1)-...-2^0
=2*(2-1)-...-1
=2-1
=1