計算(2+1)(2∧2+1)(2∧4+1)(2∧8+1)…(2∧128+1)-2∧256
(2+1)(2∧2+1)(2∧4+1)(2∧8+1)…(2∧128+1)-2∧256 =(2-1)(2+1)(2∧2+1)(2∧4+1)(2∧8+1)…(2∧128+1)-2∧256 =(2^2-1)(2∧2+1)(2∧4+1)(2∧8+1)…(2∧128+1)-2∧256 =(2^4-1)(2∧4+1)(2∧8+1)…(2∧128+1)-2∧256…
(2+1)(2∧2+1)(2∧4+1)(2∧8+1)…(2∧128+1)-2∧256 =(2-1)(2+1)(2∧2+1)(2∧4+1)(2∧8+1)…(2∧128+1)-2∧256 =(2^2-1)(2∧2+1)(2∧4+1)(2∧8+1)…(2∧128+1)-2∧256 =(2^4-1)(2∧4+1)(2∧8+1)…(2∧128+1)-2∧256…